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Question

According to the chromosomal theory of inheritance, which of the following type of cell division contributes maximum for recombination and genetic variation?

A
Meiosis
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B
Mitosis
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C
Amitosis
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D
Both A and B
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Solution

The correct option is A Meiosis
The higher organisms reproduce through sexual reproduction in which the zygote is formed by the fusion of gametes. The gametes are formed by meiotic division. Genetic recombination takes place during meiosis. There is an exchange of the genetic material between two homologous chromosomes. This recombination introduces genetic variation in the organism. The chromosomal theory states that the recombination event results in variation.
Thus, the correct answer is option A.

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