The exchange of genetic materials between homologous chromosomes is called a. synapsis

b. chiasmata

c. crossing over

d. cytokinesis

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c is correct answer

cancer   is   essentially   uncontrolled   mitosis   of specialized cells

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 : )