Q.

Which amongst the following leads to variations in the sequence of DNA of chromosomes?a. Recombinationb. Mutationsc. Micropropagationd. Prophase of mitosis

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a

a and b

b

b and c

c

c and d

d

a and d

answer is A.

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Detailed Solution

Recombination and mutations can lead to variation. Micropropagation leads to the formation of clones and hence does not lead to variations. Mitosis also does not lead to variations.
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