If a three-strand double crossover occurs between two genes during meiosis, what is the expected outcome with respect to these two genes?
A) Two chromatids are parental and two chromatids are recombinant.
B) All four chromatid are parental.
C) All four chromatids are recombinant.
D) Three chromatids are recombinant and one is parental.
E) Three chromatids are parental and one is recombinant.

Question

Quizplus · Accepted Answer

In a three-strand double crossover, two chromatids remain unchanged (parental), while the other two chromatids undergo recombination, resulting in two recombinant chromatids.

If a Three-Strand Double Crossover Occurs Between Two Genes During