which statement best explains why crossing - over between non - sister chromatids during meiosis is…

which statement best explains why crossing - over between non - sister chromatids during meiosis is significant in heredity? a crossing - over increases genetic diversity. b crossing - over determines the number of gametes produced. c crossing - over limits polyploidy. d crossing - over determines the expression of dominant traits.

which statement best explains why crossing - over between non - sister chromatids during meiosis is significant in heredity? a crossing - over increases genetic diversity. b crossing - over determines the number of gametes produced. c crossing - over limits polyploidy. d crossing - over determines the expression of dominant traits.

Answer

Brief Explanations:

Cross - over during meiosis exchanges genetic material between non - sister chromatids, leading to new combinations of alleles and thus increasing genetic diversity. The number of gametes is determined by meiosis stages, not crossing - over. Crossing - over has no relation to limiting polyploidy or determining dominant trait expression.

Answer:

A. Crossing - over increases genetic diversity.