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Question

biology

summarize how sexual reporduction, which include meiosis and fertilization, affects genetic variation within an offspring

Answer 1

Sexual reproduction allows for the combining of the genes of the male parent with the genes of the female parent to achieve something new.  The offspring could exhibit traits that are: like the father, like the mother, in-between what the father and the mother are, or better or worse than the mother or father.  This is different from asexual reproduction where the offspring are the same as the one parent from which they came.