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AP Bio 12 Online
OpenStudy (anonymous):

PLEASE HELP ME!! crossing over between nonsister chromatids during meiosis is significant in heredity. This process most likely leads to an increase in which of the following? A. The expression of dominant traits. B. Number of Gametes. C. The occurrence of polyploidy. D. Genetic Variation.

OpenStudy (matt101):

Crossing over refers to the process by which nonsister chromatids exchange genetic information. This creates new combinations of existing genes, and therefore increases genetic variation. Answer is D.

OpenStudy (chpatterson):

there you go

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