Which of the following statements is NOT true about the stratosphere? A.
The stratosphere contains a layer of ozone.

B.
The stratosphere absorbs ultraviolet radiation which protects life on Earth.

C.
Commercial jet aircraft avoid the stratosphere due to the high turbulence there.

D.
The stratosphere is above the troposphere and below the mesosphere.

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4