Question

MmNn individual produces 4 million gametes. How many of them carry both the recessive alleles?

Answer 1

Answer:

When the organism with genotype AaBb is selfed four types of gamtes are formed. They are AB, Ab, aB, ab. So, in the 2 million gametes, 0.5 million are AB, 0.5 million are Ab, 0.5 million aB, 0.5 million ab.