A single gene controls an observable trait in a species of mouse. The gene has two alleles, and the dominant allele, M shows complete dominance over the recessive allele, m. The table below shows the

A single gene controls an observable trait in a species of mouse. The gene has two alleles, and the dominant allele, M shows complete dominance over the recessive allele, m. The table below shows the number of individuals in each generation that exhibit the dominant and recessive phenotypes for several generations.

Dominant Recessive Total # of

Generation

Phenotype phenotype individuals

1. 614 37 651

2. 749 50 799

3. 561 41 602

4. 665 65 730

5. 771 94 865