what do alleles means?
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An allele is a variant form of a gene. Some genes have a variety of different forms, which are located at the same position, or genetic locus, on a chromosome. ... Genotypes are described as homozygous if there are two identical alleles at a particular locus and as heterozygous if the two alleles differ.
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An allele is a variant form of a gene. Some genes have a variety of different forms, which are located at the same position, or genetic locus, on a chromosome. ... Genotypes are described as homozygous if there are two identical alleles at a particular locus and as heterozygous if the two alleles differ.
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