Term
| For people with PKU, what is important? |
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Definition
| The ability to use a scale to measure diet supplement |
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Term
| What is the algebraic expression for Hardy-Weinberg Law? |
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Definition
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Term
| In cystic fibrosis, children may grow poorly, have foul smelling feces and cough alot because of.... |
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Definition
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Term
| Huntington's Disease gene was found through use of: |
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Definition
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Term
| Which disease might be less severe in a vegetarian |
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Definition
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Term
| In eukaryotes, why are certain genes expressed only in certain cell types |
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Definition
| Regulatory transcription factors vary from cell to cell |
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Term
| What does not contribute to speciation |
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Definition
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Term
| A group of animals which can interbreed freely... |
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Definition
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Term
| Darwin Shares credit with |
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Definition
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Term
| Changes in climate and topography are thought to have an effect upon the evolution of organisms because: |
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Definition
| the changes allow the survival of organisms with genetic variation which is better adapted to the changes |
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Term
| An important component of Darwin's theory was natural selection. What is meany bt this term? |
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Definition
| There is differential reproduction. Heritable traits possessed by individuals that reproduce the most will increase in the population. |
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Term
| Althugh the seal and penguin both have streamlined, fishlike bodies with a layer of insulating fat, they are not closely related. This similarity results from... |
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Definition
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Term
| Which of the following is not true? Natural selection |
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Definition
| results from an organism's needs |
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Term
| Which is true of evolution |
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Definition
| direction is imposed by natural selection |
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Term
| Darwin's Explanation for the 13 endemic species of finches on the Galapagos was |
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Definition
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Term
| What is an important consequence of gene flow in natural populations? |
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Definition
| Gene flow tends to reduce genetic differences among populations |
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Term
| Which would cool down faster: an elephant or a mouse? |
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Definition
| The mouse because it has a greater SURFACE to VOLUME RATIO |
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Term
| Evidence of speciation is... |
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Definition
| Can't reproduce with old species |
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Term
| The most important requirement for a population to be considered a species is |
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Definition
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Term
| Phenotypic forms at both ends of the variation range are favored, and the intermediate forms are selected against... |
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Definition
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Term
| Pesticide resistance resulting in pest resurgence |
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Definition
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Term
| Propsects are not good fo rhuman babies who weigh far more or far less than average at birth |
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Definition
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Term
| Antibiotic resistance; overuse of antibiotics favors resistant populations |
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Definition
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Term
| Intermediate forms of a trait in a population are favored, and alleles for the extreme forms are not as in the situation with sickle cell anemia and malaria |
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Definition
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Term
| What term refers to changes in allele frequencies of a population brought about by mutation, natural selection, gene flow and genetic drift? |
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Definition
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Term
| The only microevolutionary process that adds heritable changes to the gene pool of a population is.. |
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Definition
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Term
| When a few individuals rebuild a population or start a new one, it occurs after.. |
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Definition
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Term
| The maintenance of the internal body within acceptable limits is called... |
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Definition
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Term
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Definition
| species evolve, and the characteristics an individual develops as a result of using or not using its native capacities can be passed to its young. |
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Term
| Which is not likely to maintain genetic separation between 2 closely related species? |
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Definition
| different master genes probably exist in the two species |
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Term
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Definition
| a dance indicating degenerative nerve damage |
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Term
| Cystic Fibrosis possible cure |
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Definition
| cold virus as the possible carrier of a cure |
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Term
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Definition
| Can't break down phenylalanine |
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Term
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Definition
| turning on the fetal form of the defective protein as a possible cure |
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Term
| In the story told in class, why would a child living in rural NC need to have her dental work done at UNC? |
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Definition
| BC not many dentists in some parts of the state can afford to take Medicaid |
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Term
| What genetic disease is monitored by frequent small blood samples |
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Definition
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Term
| Long ears and tails are correlated with |
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Definition
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Term
| Cephalization is associated with |
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Definition
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Term
| Speciation is said to have occured when |
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Definition
| individuals from separate populations are no longer able to interbreed successfully. |
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Term
| For a mutation to be transmitted to the next generation it |
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Definition
| must occur in gamete cells |
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Term
| A simple genetic mutation can result in |
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Definition
A change in one polypeptide
Changes in the whole organism
death of the organism |
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Term
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Definition
| are groups of insects of different species that all have effective obnoxious defense and that all resemble on another |
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Term
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Definition
Random
Beneficial
Harmful
Heritable |
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Term
| New genetic combinations result from |
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Definition
crossing over
sexual reproduction
mutations
the exchange of genes between different species |
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Term
| Four of hte five answers listed below are aspects of the process known as gene splicing.. Which is not |
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Definition
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Term
| Which disease is an autosomal dominant genetic disorder? |
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Definition
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Term
| Symptoms of phenylketonuria (PKU) may be minimized or suppressed by a diet low in |
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Definition
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Term
| Pregnancy in a woman with PKU |
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Definition
| increased incidence of asthma in people with PKU |
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Term
| In the story told in class, which of these was NOT a concern for the little girl with PKU |
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Definition
| Cost of the special formula |
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Term
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Definition
| only via natural selection, genetic drift, migration or mutation |
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Term
| To establish that evolution by natural selection is operating in a population, one must demonstrate |
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Definition
| variability for a trait, heritability of that trait, differential reproductive success based on that trait, |
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Term
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Definition
| is dependent on chance events |
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Term
| Evolution is principally a process of |
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Definition
| modification and speciation |
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Term
| In a small population, a rare genotype may predominate or disappear over time because of the random effects of chance, a phenomenon known as |
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Definition
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Term
| In Africa, the mountain gorilla has thicker coat as a result of |
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Definition
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Term
| Before the 1700's most people assumed |
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Definition
| the earth had always been populated by the same species |
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Term
| Which of the following are necessary conditions for natural selection? |
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Definition
-Individuals in the pop. must differ from each other in terms of how well they survive.
-The differences among individuals in the population must be at least partially determined by genetic differences |
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Term
| Which of these is an inheritable mutation |
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Definition
| a change in DNA of a zygote |
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Term
| Australian mole is actually marsupial rather than a mammal like the NA mole. Then amimals are similar in apprearance because: |
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Definition
| the selection pressures on both were similar |
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Term
| Darwin's Theory of natural selection holds that |
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Definition
| those individuals with the best set of variations tend to have more offspring and, in time, these variations become more common |
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Term
| The Hardy-Weinberg law maintains that: |
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Definition
| The original genetic variability of a gene pool will remain the same for generations in large, stable, randomly breeding population |
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Term
| In the Hardy-Weinberg equation, the term q^2 refers to the frequency of |
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Definition
| the homozygous recessive genotype at a given locus |
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Term
| The apperance of a fertile, polypid indiv. within a population of diploid organisms is a possible source of a new species. If this individual is capable of reproducing to form a new population, scientists would consider this to be an example of |
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Definition
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Term
| Which of the following conditions would tend to make the HW equation accurate for predicting gene frequences of future generations |
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Definition
| Little gene flow with surrounding populations |
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Term
| Which genetic disorder can be well controlled by proper care for the affected individual |
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Definition
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Term
| Darwinian evolution is based on the existence, in every population of |
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Definition
| variation among organisms |
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Term
| Which of the following is NOT a premise for Darwin's Theory of Evolution by natural selection |
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Definition
| Environmental conditions may generate adaptively advantageous mutations |
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Term
| Which process adds new alleles to the gene pool? |
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Definition
|
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Term
| Evolution is defined as a change in |
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Definition
| the frequency of one or more alleles in a population's gene pool |
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Term
| Darwin's theory of natural selection holds that |
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Definition
| those indivudals with the best set of variations tend to leave more offspring and, in time, these variations become more common. |
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Term
| The term that describes reciprocal evolutionary relationship is |
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Definition
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Term
| Which of the following types of reproductive barrier separates a pair of insect species that could interbreed except that one mates on goldenrod flowers and the other on autumn daisies that blossom at the same time? |
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Definition
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Term
| Which type of natural selection creats a state of equilibrium involving two or more phenotypes within a species? |
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Definition
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Term
| What event can reduce the genetic variation in a species? |
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Definition
|
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Term
| Which of the following contributes LEAST to speciation? |
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Definition
|
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Term
| Four characteristics of mutations |
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Definition
lethal
random
effects depend upon environment
heritable |
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Term
| When half of a population is separated and isolated from the other half for a thousand years |
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Definition
| different mutations may occur in the 2 groups |
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Term
| Before the 1700s most people assumed |
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Definition
| the earth had always been populated by the same species |
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Term
| Which waste product is the most toxic? |
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Definition
|
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Term
| Which is true of animals with external fertilization? |
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Definition
they spawn
they generally inhavit water |
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Term
| The selective pressure behind Mullerian mimicry is... |
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Definition
|
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Term
| Reproduction in marine environment is characterized by |
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Definition
| fling gametes into the environment |
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Term
| Which of the following is NOT a condition for the HW equilibrium |
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Definition
| a very small population to avoid sampling errors |
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Term
| In the HW equation, the term q^2 refers to |
|
Definition
| the percentage of homozygous recessive genotypes at a given locus |
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Term
| Formation of a new species within a population is most liely to occur if there is an adequate |
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Definition
|
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Term
| Which of these interactions affects natural selection? |
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Definition
Competition
Predation
Co-Operation
Parasitism |
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Term
|
Definition
| concentration of sensory structures in the head |
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Term
| Which is likely to lead to the formation of a new species |
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Definition
| a group of plants has a new mutation which prevents their pollen from being able to interact with the group from which they came |
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Term
| Natural selection can be expected to |
|
Definition
| bring about a shift in the range of genetic variation |
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Term
| Which statement about natural selection is most correct? |
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Definition
| Well-Adapted individuals leave more offspring and thus contribute to the next generations gene pool, then do poorly adapted individuals |
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