For a certain trait, a heterozygous individual has a selective advantage as compared to a homozygous dominant or homozygous recessive individual. This is called ________.
A) codominance
B) incomplete dominance
C) overdominance
D) incomplete penetrance
E) multiple allele systems

Question

Quizplus · Accepted Answer

Overdominance, also known as heterozygote advantage, occurs when the heterozygous genotype has a higher fitness or selective advantage than either homozygous genotype. This can be due to a variety of factors, such as different alleles providing complementary functions or protection against different environmental stressors. In some cases, overdominance may contribute to the maintenance of genetic diversity within a population.

For a Certain Trait, a Heterozygous Individual Has a Selective