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-A gene,anon, is the instruction for a trait
-An allele is a specific version of that instruction.
Example: The Gene for eye color
-The gene is the general set of instructions for producing pigment in the iris of the eye.
-The alleles are the different versions of this gene that exist:
-An allele for brown eyes.
-An allele for blue eyes.
-An allele for green eyes.
A person's eye color is determined by which two alleles they possess for the eye color gene.