Question

Define variation? give an example

Answer 1

Variation, in biology, any difference between cells, individual organisms, or groups of organisms of any species caused either by genetic differences (genotypic variation) or by the effect of environmental factors on the expression of the genetic potentials (phenotypic variation).

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Answer 2

$<u >$ The changes which occurs during reproduction due to some change in the DNA is called Variation.

=> An example of variation in human beings is - free and attached earlobes. Some people have free earlobes, while others have attached earlobes.

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