Question

If a woman has 10 gene pairs, how many genetically different eggs can be formed if three of the gene pairs are homozygous and the remaining seven gene pairs are heterozygous?
a.128
b.256
c.512
d.1024

Answer 1

gene pairs - AABBCCDdEeFfGgHhIiJj

number of possible types of eggs - 1*2*2*2*2*2*2*2=128

reply "a" is good