The sources of genetic variation during meiosis are:
A) crossing-over and the random assortment of maternal and paternal chromosomes.
B) crossing-over and random pairing of tetrads.
C) random pairing of tetrads and mutations.
D) polyploidy and random pairing of tetrads.
E) random pairing of tetrads and random assortment of maternal and paternal chromosomes.
Correct Answer:
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