Author Question: In a hypothetical situation, B is the allele that causes brachydactyly. If a man who has normal ... (Read 145 times)

captainjonesify · **on:** Jul 10, 2018

In a hypothetical situation, B is the allele that causes brachydactyly. If a man who has normal fingers (bb) and a woman with brachydactyly (Bb) have children, what proportion of these children would you expect to have normal fingers? (Hint: Use a Punnett square).

a. 1/16
b. 1/8
c. 1/4
d. 3/4
e. 1/2

Question 2

All individuals who express a dominant trait

a. could be heterozygous.
b. must be homozygous.
c. have at least one parent who expressed the trait.
d. have a better and stronger trait.
e. have a genetic disease.