In human blood groups, the fact that an individual can have an AB blood type is an example of ________.
A) incomplete dominance
B) incomplete penetrance
C) sex-influenced trait
D) temperature-sensitive conditional allele
E) codominance

Question

Quizplus · Accepted Answer

The AB blood type is an example of codominance, where both alleles (A and B) are expressed equally. This is in contrast to incomplete dominance, where one allele is partially dominant over the other, and incomplete penetrance, where an individual may carry a particular genotype but not express the corresponding phenotype. Sex-influenced traits are influenced by the sex of an individual, and temperature-sensitive conditional alleles only exhibit their effect at certain temperatures.

In Human Blood Groups, the Fact That an Individual Can