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| There are potential risks in performing recombinant DNA research on plants. True or False? |
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| A bat's wing and a sheep's front leg are ________ structures. |
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| all vertebrate species have similar genes for development, with some being active in some species and inactive in others. |
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| Karl von Baer's observations of vertebrate embryos suggest that |
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| supports the theory of evolution. |
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Definition
| The amino acid sequence of human and chimpanzee hemoglobin is almost identical, yet differs considerably from the hemoglobin of dogs. This statement |
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| There are potential risks in performing recombinant DNA research on humans. True or False? |
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| did not allow for evolutionary change. |
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Definition
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| making many copies of a small amount of DNA. |
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Definition
| The polymerase chain reaction (PCR) is useful in |
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| they descended from flying birds. |
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Definition
| The existence of species of flightless birds with wings suggests that |
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| unrelated organisms develop analogous structures. |
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Definition
| Convergent evolution occurs when |
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| Natural DNA recombination is random and undirected. True or False? |
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Definition
| Darwin and ________ both developed and proposed the theory of evolution by natural selection. |
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| The controlled breeding of domestic plants and animals by humans in order to produce certain physical traits in those organisms is called |
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Definition
| Who proposed the geological theory of catastrophism? |
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| arrays of DNA probes on filter paper |
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Definition
| If you wish to develop a procedure for identifying a genetic disorder caused by 20 different alleles, what method would be most likely to be useful? |
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Term
The virus can cause another disease.
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The patient's immune system kills the virus. |
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Definition
| What is a problem that has been encountered when using a virus to insert a functional version of a gene into a person's DNA? |
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Definition
| Which of the following molecular techniques involves "DNA replication in a tube"? |
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Definition
| Restriction enzymes cut open DNA at random sites. True or False? |
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Definition
| Mammalian appendages with similar bone structures can be used for flying, swimming, running, or grasping. These are examples of ________ structures. |
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Definition
| A change in the genetic makeup of a population is called |
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| If the DNA fingerprint of a suspect does not match a blood sample from a crime scene, what can you conclude? |
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Definition
| The blood sample had to come from another person, but the suspect may still have been there. |
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Definition
| Which of the following techniques is most commonly used to prenatally diagnose a genetic disorder such as cystic fibrosis in a fetus? |
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| off the west coast of South America |
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Definition
| The Galapagos Islands, visited by Darwin, are located where? |
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Definition
| A cell or organism that contains foreign DNA inserted into its own genetic material is termed |
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Definition
| The author of On the Origin of Species by Means of Natural Selection was |
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Definition
| Golden Rice was originally developed to provide a source of iron to people for whom rice is their principal food. True or False? |
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Term
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Definition
| Manipulating the molecular basis of inheritance by recombinant DNA technology is called |
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small DNA fragments move farther into the gel than large ones.
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DNA moves toward the positive electrode.
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DNA moves through holes in the agarose gel. |
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Definition
| During gel electrophoresis |
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| bear the impressions or shapes of preserved organisms. |
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Definition
| Fossils are rocks or sediments that |
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Definition
| Small accessory chromosomes found in bacteria and useful in recombinant DNA procedures are called |
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Definition
| Pelvic bones in snakes and whales are ________ structures. |
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| are used to insert foreign DNA into bacteria. |
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Definition
| In recombinant DNA technology, plasmids |
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Term
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Definition
| The incorrect theory that "organisms can modify their bodies through use or disuse of parts, and that these modifications can be passed on to their offspring" was formulated by |
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Definition
| There are potential risks in performing recombinant DNA research on plants. True or False? |
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Definition
| Which scientist devised the theory of uniformitarianism to account for the old age of the Earth? |
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Definition
| In one butterfly species, the colors of individuals can range from white to black, with many shades of gray in between. If the butterflies in a mountain population become more and more similar in color over several generations (for example, if most butterflies are the same shade of gray), what kind of evolutionary force is likely acting on the population? |
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| a mutation resulting in a heat-resistant enzyme in a bacterium living in a hot spring |
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Definition
| Which trait is the BEST example of an adaptation? |
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Definition
| Within a large population, if no mutations occur, no migration occurs, all matings are random, and each individual has an equal chance of reproducing, which of the following will probably happen? |
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| allele frequencies do not change. |
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Definition
| In an equilibrium population |
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Term
| a process that occurs as a result of differences in fitness. |
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Definition
| Evolution by natural selection is |
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Term
| a change in the genetic makeup of a population over time. |
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Definition
| Evolution can be defined as |
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| all the alleles for a certain trait that occur in the population. |
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Definition
| The gene pool for a particular gene is made up of |
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Definition
| The process by which allele frequencies are altered in a population due to chance is called |
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Definition
| When one species evolves a new phenotypic feature and another species evolves new adaptations in response, it is called |
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limited mating opportunities
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lost alleles and/or low genetic diversity
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inbreeding |
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Definition
| Which of the following can affect a small, endangered population so severely that it goes extinct? |
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Definition
| Which of the following categories is the SMALLEST unit capable of evolution? |
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avoid being seen by bird predators.
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better chew the tough leaves of the plants it eats.
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tolerate an increased concentration of pesticide in its environment.
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attract members of the opposite sex. |
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Definition
| An insect population may evolve adaptations to |
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Definition
| Antibiotic resistance is an example of ________ in bacteria. |
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Definition
| Female finches, which do not sing, tend to choose to mate with males who sing a specific, elaborate song. This is an example of |
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Definition
| From an evolutionary point of view, what important process occurs when a young male baboon leaves the troop that he was born in to join another troop? |
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| Habitat loss, natural catastrophes, and/or excessive harvesting of a species often results in |
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