If an individual has 10 gene pairs, how many different gametes can be formed if three of the gene pairs are homozygous and the remaining seven gene pairs are heterozygous?
A)49
B)100
C)128
D)1024
E)131,072

Question

Quizplus · Accepted Answer

Each heterozygous gene pair can produce two different types of gametes. With seven heterozygous pairs, the number of different gametes is 2^7 = 128. Homozygous pairs do not contribute to the diversity of gametes since they can produce only one type of gamete each.

If an Individual Has 10 Gene Pairs, How Many Different