1.The eye color gene has two alleles: the dominant "B" (brown) and the recessive "b" (blue). Let's say that a mother has the genotype Bb and the father the genotype bb. Draw a punnet square and determine what percentage will have have which genotype. A. 50% BB 50% bb B. 75% Bb 25% bb C. 50% brown eyes 50% blue eyes D. 50% Bb 50% bb 2. If two parents both have the phenotype brown eyes, but have some children with blue eyes, what is the likely genotypes of the parents? A. Both parents have the genotype bb B. Both parents have the genotype BB C. One parent has the genotype BB the other has the genotype Bb D. Both parents have the genotype Bb 3. Evolution is change in gene (allele) frequencies in populations over time. TURE OR FALSE 4. When two formerly separate breeding populations come together and exchange genes through mating, then gene flow has occurred. TRUE OR FALSE
Added by Gregory M.
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We have a mother with genotype Bb and a father with genotype bb. We can draw a Punnett square to determine the possible genotypes of their offspring: ``` B | b --------- b | Bb | bb --------- b | Bb | bb ``` So, we have 50% Bb and 50% bb. **Answer 1: D. 50% Show more…
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