Question

Why are gene versions NOT all alike

Answer 1

Individuals have two of each chromosome and hence two alleles of each gene, one acquired from each parent. These versions may be identical or may differ from each other.

Answer 2

This is due to genetic variation. Hereditary factors also effect this as both parents have different sets of genetics.

Step-by-step explanation:

This is due to genetic variation. Hereditary factors also effect this as both parents have different sets of genetics.