Question

What does gene versions mean?

Answer 1

These gene variants still code for the same trait (i.e. hair color), but they differ in how the trait is expressed (i.e. brown vs blonde hair). Different versions of the same gene are called alleles. Genes can have two or more possible alleles. Individual humans have two alleles, or versions, of every gene.

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Answer 2

Basically, Its like a Different version of a gene which are called alleles. Alleles are described as either dominant or recessive depending on their associated traits

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