Match the following types of inheritance (key terms a–f) with the descriptions below: Key: (a) dominant-recessive (b) incomplete dominance (c) multiple-allele (d) polygene (e) sex-linked (f)...

Match the following types of inheritance (key terms a–f) with the descriptions below: Key:

(a) dominant-recessive (b) incomplete dominance (c) multiple-allele (d) polygene (e) sex-linked (f) extranuclear

Suppose that the ability to taste PTC (phenylthiocarbamide) depends on the presence of a dominant gene T; nontasters are homozygous for the recessive gene t. This would be a case of classical dominant-recessive inheritance. (a) Consider a mating between heterozygous parents producing three offspring. What proportion of the offspring are likely to be tasters? What is the chance that all three offspring will be tasters? Nontasters? What is the chance that two will be tasters and one will be a nontaster? (b) Consider a mating between Tt and tt parents. What is the anticipated percentage of tasters? Nontasters? What proportion can be expected to be homozygous recessive? Heterozygous? Homozygous dominant?