Definition: Part of the Earth's stratosphere which contains relatively high concentrations of 0z. It absorbs much of the ultraviolet radiation that would normally reach the surface of the earth.

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