List two reasons for the appearance. Of variations among the progeny formed by sexual reproduction.
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11
Explanation:
Variation occurs in the progeny formed through sexual reproduction because in this process both the germ cells are equally involved. Reproduction involves fusion of male and female gametes. So, each time when zygote is formed, it is formed by combining of variants.
Answered by
7
Explanation:
Variation occurs in the progeny formed through sexual reproduction because in this process both the germ cells are equally involved. Reproduction involves fusion of male and female gametes. So, each time when zygote is formed, it is formed by combining of variants.
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