Give two reasons for the appearance of variation in the progeny formed by sexual reproduction?
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The two reasons for the appearance of variation in the progeny formed by sexual reproduction are
(a) Sexual reproduction involves two parents with different sets of characters. (b) The gene combinations are different in gametes.
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(a) Sexual reproduction involves two parents with different sets of characters. (b) The gene combinations are different in gametes.
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Meosis- In this Process a new set of chromosomes are formed in the Offspring. Because genes from both the parents are taken in equal number, Variation occurs.
Natural selection - After the Genetical Variation occurs, Natural Selection is the factor which decides future of the offspring
Natural selection - After the Genetical Variation occurs, Natural Selection is the factor which decides future of the offspring
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