20. The offspring of two chickens have 1 out of 4 chances of being white, which is a recessive trait. Which cross could produce the probability of
such offspring?

A) YY x YY
B)YY x Yy
C)Yy x Yy
D) yy x yy

Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.

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

Describe characteristics of a good respitory surface