in a population founded from two manx cats, why does the dominant allele not just disappear after 100 generations of selection?



Answer :

The dominant allele is safeguarded in the heterozygote component of the Manx cat population because selection only affects homozygous dominant animals.

What distinguishes homozygous from heterozygous genetic makeup?

Each gene has two alleles, or variations, in each of us. When two identical copies of a gene are present, you are said to be homozygous for that gene. It contrasts with a heterozygous genotype, in which the alleles are distinct. Everyone who possesses a recessive trait, such as red hair or blue eyes, is homozygous for that gene.What is a homozygous example?

illustrative sentences using homozygous and heterozygous terms

You are homozygous for blonde hair if you have two copies of the allele. You are heterozygous for hair color if you have one copy of the gene for blonde hair and one copy of the allele for brown hair.

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