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- 1. Multiple ChoiceA person who has a disorder caused by a recessive allele isconsidered a carrier for the disorderhomozygous for the recessive alleleunable to pass the allele onto offspringgoing to have children with the disorder
- 2. Multiple ChoiceHuman height occurs in a continuous range because it is affected by the interaction of several genes, making it aautosomal traitsex-linked traitpolygenic traitcodominant trait
- 3. Multiple ChoiceA female is born with attached earlobes, which is a recessive phenotype. Which of the following genotypes could her parents have?RR x RRRr x RRRr x rrRR x rr
- 4. Multiple ChoiceSuppose a mouse is homozygous for the alleles that produce black fur and homozygous for the epistatic gene that prevents fur coloration. What color fur will the mouse haveall whitemostly blackentirely grayblack and white
- 5. Multiple ChoiceSome members of a family have a recessive sex-linked disorder. Which of the following statements about the family would be trueAll males would have the disorderAll females would be carriersOnly males would have the disorderOnly females would be carriers
- 6. Multiple ChoiceThe main reason why sex-linked disorders usually only observed in males is because the Y chromosome cannot mask the alleles on the X chromosomeTrueFalse
- 7. Multiple ChoiceWhich of the following tools is used to match up chromosome pairs using chemical stainspedigree chartkaryotypemeiosis maplinkage map
- 8. Multiple ChoiceTwo parents have the genotype Gg for a genetic disoder caused by a dominant allele. What is the chance that any of their children would inherit the disorder25%50%75%100%
- 9. Multiple ChoiceThe genetic trait that appears in every generation is calleddominantphenotypicrecessivesuperior
- 10. Multiple ChoiceHow many different phenotypes can be produced by a pair of incomplete dominant alleles1234
- 11. Multiple ChoiceWhich of the following traits is controlled by multiple alleles in humanssickle cell anemiablood typehemophiliaHuntington's disease
- 12. Multiple ChoiceWhat would be the blood type of a person who inherited an O allele from one parent and a B allele from the other?Type AType BType ABType O
- 13. Multiple ChoiceWhich of the following describes Huntinton's diseasepolygenic traitdominant traitsex-linked traitcodominant trait
- 14. Multiple ChoiceAn XX female will express a recessive sex-linked trait if shehas many codominant allelesfull expresses her Y chromosomeis homozygous for the recessive allelecarries the allele on an epistatic gene
- 15. Multiple ChoiceA man is colorblind. What is his genotypeXBYXbYXbYbXbXb
- 16. Multiple ChoiceA Liger is a mix of a tiger and a lion, whereas a Zorse is a zebra in the front and a horse in the back. Which of the following statements is trueA liger and a zorse both show incomplete dominanceA liger shows codominance, a zorse shows incomplete dominanceA liger shows incomplete dominance, a zorse shows codominanceA liger and a horse both show codominance
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