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- 1. Multiple ChoiceWhich term correctly describes an individual with a pair of the same alleles for a trait?homologousheterozygoushomozygousheterologus
- 2. Multiple ChoiceAn individual with two different alleles for a specific trait is said to be _____________.homozygousheterogenoushomogenousheterozygous
- 3. Multiple ChoiceOf 12 hamsters just born, 9 have brown fur and 3 have white fur. The trait for white fur is considered to be ________.recessiveweakstrongdominant
- 4. Multiple ChoicePhenotype refers to the _________ of an individualgenetic makeupphysical appearancerecessive allelesdominant alleles
- 5. Multiple ChoiceWhen the genotype consists of a dominant and a recessive allele, the phenotype will be like the ______________ allele.dominantrecessivebothneither
- 6. Multiple ChoiceGregor Mendel developed some basic principles of heredity by ______________.breeding fruit fliescutting off the tails of micecrossing pea plantsgrowing bacteria in a laboratory
- 7. Multiple ChoiceAn organism that has two identical genes for a trait is said to be _________.hybrid for the traitincompletely dominant for the traitheterozygous for the traithomozygous for the trait
- 8. Multiple ChoiceHeredity information for traits is located in _____________.chromosomes on genesgenes of chromosomeslysosomes in cytoplasmthe mitichondria
- 9. Multiple ChoiceWhich of these would best be described as a phenotype?blue eyesmutationBbTt
- 10. Multiple ChoiceA pea plant is heterozygous for height (Tt) and it is crossed with a homozygous short (tt) plant. Use a Punnett square to determine the probability of one of their offspring being short.100%75%%50%25%
- 11. Multiple ChoiceOne dog carries homozygous, long-haired traits (SS), and its mate carries homozygous short-haired traits (ss). Use a Punnett square to determine the probability of one of their offspring having long hair.100%75%50%25%
- 12. Multiple Choice
How many females are in this pedigree?3467 - 13. Multiple ChoiceHow many of the males in this pedigree show the trait being studied?2346
- 14. Multiple ChoiceWhen 2 pea plants heterozygous for height (Tt) are crossed, what is the ratio of the resulting genotypes (TT:Tt:tt)?1:2:12:1:10:3:10:2:2
- 15. Multiple ChoiceLook at the Punnett square. If the two parents represented in the Punnett square have four offspring, what does the Punnett square tells you?two of the offspring will definitely be heterozygous.one of the offspring will definitely show the recessive trait.there is a 50% chance for each of the 4 offspring to have the genotype Rr.there is a greater chance for the offspring to be RR than rr.
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