Question

what is the
significane of variation

Answer 1

it helps to distinguish between a organism with other of same species

Answer 2

variation in us is because of our DNA which is unique .it is a chemical process and it has errors which helps the organism to live in a particular niche. as both parent are equally contributing their DNA'S it creates a variation . each cell consists of 2 sets of DNA from each pared . the germ cells have only have no of chromosomes and when they fuse they restablishes the actual no of chromosomes

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