19. A group of cells are ruptured and mixed in a tube to produce a uniform mixture. This is then centrifuged to produce four distinct layers
of cell contents. The material in one of the layers contained a large
amount of protein. What is this layer composed of? *

i'm gonna put a couple so you can chose from

explanation:

if you know the fur color of the offspring mice, you can use the ratios to identify the genotypes of the parents.

if either parent mouse passes a dominant allele, the offspring will have black fur.

if the parental mice has two different fur color (i.e white and black) , the color of the offspring's fur would be either black, white, or the combination of both (grey)

hope this : )

idk

explanation: