Suppose that two alleles on one homologous chromosome are A and B, and the other homologous chromosome’s alleles are a and b.
a. How many different genetic types of gametes would be produced without crossing over?
b. What are the genotypes of the gametes?
c. If crossing over were to occur, how many different genetic types of gametes could occur?
d. List them.
a. How many different genetic types of gametes would be produced without crossing over? 2
b. What are the genotypes of the gametes? AB, ab
c. If crossing over were to occur, how many different genetic types of gametes could occur? 4
d. List them. AB, ab, Ab, aB
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____________________ and ____________________. Fill in the blank(s) with the appropriate word(s).
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