Which statement is true of carriers? Select all that apply. A) They have one dominant allele.
B) They express the recessive trait.
C) They are heterozygous for a recessive disorder.
D) They can pass a gene for a recessive disorder.

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. chinchilla x albino a) all chinchilla b) 1/2 chinchilla, 1/2 albino c) 3/4 chinchilla, 1/4 albino

The first amino acid of a new polypeptide chain is

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above