One or more forms of a gene located on the chromosome.

allele

Explanation:

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. Humans are called diploid organisms because they have two alleles at each genetic locus, with one allele inherited from each parent.

the wires in the toaster turning red and the toast crisping and turning brown

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-lavira: )