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Question

Continuous variation is attributed to

A
Mutation
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B
Crossing over
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C
Chromosomal aberration
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D
Polyploidy
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Solution

The correct option is A Crossing over
Continuous variation can be defined as the variations in the phenotypic traits in which a series of types are distributed on a continuum rather than separate groups. For example, body weight and height. They are small variations also known as fluctuating variations. They are neither acquired nor new but reshuffled by segregation of chromosomes at the time of gamete formation or crossing over of chromosomes.

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