Brachydactyly is a condition caused by an allele dominant to wild-type in humans, in which the fingers and toes are shortened. In a population of 10,000 people, 1,600 are BB, 4,800 are Bb, and 3,600 are bb.
-What percentage of people in this population have short fingers and toes?
A)0%
B)16%
C)36%
D)64%
E)84%

Question

Quizplus · Accepted Answer

64%Brachydactyly is caused by a dominant allele, meaning individuals with either BB or Bb genotypes will exhibit the trait. In the population, 1,600 are BB and 4,800 are Bb, totaling 6,400 individuals with short fingers and toes. Therefore, 6,400 out of 10,000 people have the condition, which is 64%.

Brachydactyly Is a Condition Caused by an Allele Dominant to Wild-Type