Term
| When two true breeding pea plants are crossed, one with purple flowers and one with white. The offspring are? |
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Definition
| Heterozygous with a dominant phenotype |
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Term
| Tall is a dominant to dwarf in pea plants. If two homozygous dwarf pea plants were crossed, their offspring will be? |
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Definition
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Term
| In snap dragons pink flowered plants are produced when red flower plants cross with white flower plants. This type of inheritence can be described as? |
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Definition
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Term
| Down syndrome in humans is due to ? |
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Definition
| three copies of chromosome #21 |
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Term
| Human height show a continuos variation from the very short to the very tall. Height is most likely controlled by? |
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Definition
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Term
| If ine strand of DNA molecule has a base sequence of ATTGCAT its complementary strand will have the sequence? |
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Definition
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Term
| The diploid number of chromosomes in human cells is 46 the haploid number is |
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Definition
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Term
| All the offspring if a white hen and a black rooster are gray. The simplest explination for this pattern of inheritance is |
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Definition
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Term
| The fact that humans share many genes with other organisms demonstrates? |
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Definition
| The fact that all organisms have a common ancestor |
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Term
| Which of the following is an example of gene therapy? |
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Definition
| Infecting cystic fibrosis patient with a virus carrying a working copy of a custic fibrosis gene |
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Term
| Which of the following is a result of crossing over during meiosis |
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Definition
| Chromosomes with new combinations of alleles are created |
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Term
| Which of the following is a dyhybrid cross? |
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Definition
All...
AABB X aaBB , aabb X AABB, AaBb X AaBb |
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Term
| There are many concerns over safety of genectically modified food on human health. These concerns include? |
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Definition
| Eating a GM food may produce an allergic reaction in a person unwittingly eats a product that contains a protien to which they are allergic. |
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Term
| The possibly harmful environmental effects of GM foods include |
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Definition
ALL:
The increased use of herbicides when GM foods are herbicide resistant, the transfer of genetically modified genes to weedy relatives, the reduction of genetic diversity in our GM crops |
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Term
| The people who have a recessive allele almost always.. |
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Definition
none of the above..
have an advantage over people with a domninat allele and one recessive allele. Have an advantage over people with two copies of a dominant allele. Have a disadvantage over peole with one dominant allele and one recessive allele. Have a disadvantage over those with two dominant allele |
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Term
| Cystic fibrosis is caused by he allele f, which is completly recessive to the normal dominant allele F, consider a couple with the genotype Ff what is the chance that their first child will develop cystic fibrosis? |
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Definition
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Term
| A recessive Allele is one that |
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Definition
| has its effect masked by a dominant allele |
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Term
| In a heterozygous individual, only one allele is expressed in the phenotype, that allele is? |
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Definition
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Term
| Complementary nitrogenous bases of DNA (T and A) are held together by what kind of chemical bond? |
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Definition
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Term
| Which of the following is made between two homozygous dominant phenotypes |
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Definition
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Term
| Gregor's Mendel work was different from that of other researchers working in inheritance in his day because he alone: |
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Definition
| Chose to work with pea plants |
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Term
| Huntingtons disease is caused bu the allele H, which is completly dominant to the normal, recessive alle h. Consider a couple where the man has the genotype Hh and the woman has the genotype hh. What is the chance that their first child will develop Huntingtons disease? |
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Definition
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Term
| Despite the controversy, genectically modified foods can increase agricultural production and yield by? |
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Definition
| Increasig pesticide resistance in plants, Improving shelf life of crops, Making plants more resistant to freezing, Making food available in larger quanities |
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Term
| Hemophilla is a genetic disease that has plagued the royal household of Europe. The disease alle is recessive and X-linked. Queen Victoria was a carrier and her grand daughter Alexandria married Nicholas II the last czar of Imperial Russia. Alexandria was a carrier of Hemophilla; Nicholas was normal. There son Alexis was afflisted with the disease. Alexis and his four sisters were killed in 1917 it is most likely that: |
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Definition
| At least one of the sisters was a carrier of the allele |
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Term
| A man who carries a harmful sex-linked (on X chromosome) gene will pass the gene on to |
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Definition
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Term
| The improper seperation of chromosomes during cell division? |
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Definition
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Term
| A recessive allele is one |
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Definition
| whos effect is masked by the dominant allele |
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Term
| The use of corn genectically engineered to contain the inseect pest contol toxin Bt is of concern to some because? |
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Definition
| some lab data has shown it harms non-target insects, and the widespread use of Bt may result in Bt resistance |
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Term
| What is the name for the surgical removal od cells, tissue of fluid that will be analyzed to determine whether the cells are cancerous? |
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Definition
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Term
| The sequence of events in the process of protien synthesis is usually: |
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Definition
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Term
| When comparing the DNA fingerprints of parent and a child, the parent's DNA fingerprints must have? |
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Definition
| DNA bands that are very close to bands found in the child that are unique to him or her |
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Term
| A DNA fingerprint of a subject does not match a DNA fingerprint from a blood sample taken at a crime scene. What can you conclude? |
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Definition
| The suspect may have been there even if the blood came from a different person |
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Term
| Genectically modified food have resulted in... |
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Definition
| rice with more vitamin A and a tomato that ripens more slowly |
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Term
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Definition
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Term
| A mistake or mispelling that occurs during the copying of a gene and results in a change in a gene called a? |
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Definition
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Term
| If a man with blood type A and a woman with blood type B have a child with blood type O what are the genotypes of the parent? |
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Definition
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Term
| Assume that the following condition is due to a single ene with a simple dominance/ recessive system. Individuals with hereditary fructose intolerance (HFI) are unable to process the sugar frutoe correctly because they lack a functional liver enzyme. adolase B. Based upon this fact you would expect this disorder to be? |
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Definition
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Term
| Which of the following would be most likely to cause a cell to become malignant cancer? |
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Definition
| Activation of a proto-onncogene and inactivation of a tumor supressor gene |
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Term
| What is the control in the bill of the herring gull experiment? |
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Definition
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Term
| Which is most likely not to be genectically modified food? |
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Definition
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Term
| A family tree is used to follow human matings that have already occured is a.. |
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Definition
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Term
| A normal individual who is a carrier for an X-linked trait like Hemophilla.... |
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Definition
| is always female, is heterozygous for the recessive condition, shows the dominant phenotype, can have daughters who have the gene. |
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Term
| A human sperm cell recieves autosomes and |
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Definition
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Term
| Type AB blood is a result of |
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Definition
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Term
| A person can have two alleles of a particular gene and it is known that some persons have yet anpther different allel of this gene, this is an example of? |
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Definition
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Term
| If in an heteroygous individual, only one allele is expressed in the phenotype, that allele is? |
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Definition
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Term
| Which of the following statements is false |
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Definition
| Mating between individuals with dominant phenotypes cannot produce offspring with recessive phenotypes |
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Term
| When comparing the DNA fingerprints of a parent and child, the parents' DNA fingerprints must have |
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Definition
| DNA fingerprints that are very close to the bands found in that child which are unique to him or her |
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Term
| The make up of a human zygote is |
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Definition
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