In a cell undergoing meiosis, when a single crossover occurs between two genes of interest, the result is:
A) 4 chromosomes, all nonrecombinant.
B) 4 chromosomes: 3 nonrecombinant and 1 recombinant.
C) 4 chromosomes: 2 nonrecombinant and 2 recombinant.
D) 4 chromosomes: 1 nonrecombinant and 3 recombinant.
E) 4 chromosomes, all recombinant.
Correct Answer:
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