Fill in the blank: aspirin relieves a headache by blocking in the part of the brain that tells us we are feeling pain.
a. reflexes
b. dendrites
c. stimulants

Amouse that is homozygous for the dominant trait has the genotype . it has . a mouse that is homozygous for the recessive trait has the genotype . it has . image of fur color of mice

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 chinchilla 1/2 agouti, 1/2 chinchilla 3/4 agouti, 1/4 chinchilla all chinchilla

In each transformation of energy , some energy what?