Question

Research any phenotype (genetically controlled trait) that has several versions (alleles) in humans. For example, humans can either have dimples or not. Explain the versions and tell which is dominant and which is recessive.

Answer 1

when a human has dimple,the gene is either homologous or heterozygous dominant....and if the person doesn't not have dimple...he or she has a homologous recessive gene on the chromosome