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No, alleles are different forms of a gene.

The gene is the portion of DNA/RNA that codes for a particular trait (chain of proteins). The alleles are the possible code bits that could be in that part of the DNA and different alleles will result in different traits being expressed.

E.g., part of your DNA codes for your eye color, and in that part there are a number of different alleles that could be there. A certain allele might make you blue-eyed, while another would make you brown-eyed, etc.

This is something of a simplification as many traits are expressed via multiple alleles, but that is the general idea.

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14y ago

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