Discuss the significance of genes existing as alleles.
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genes are the short segment of DNA.a particular form of a gene is called alleles
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The significance of genes existing as alleles.....
By having different alleles, there would be different combinations of bases at each gene., when there is crossing over in meiosis during fertilisation of female and male reproductive cell, there is a recombination of different bases.And these will enhance genetic variability of humans.
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