Help me please first one who answer it i will give the brainliest

1. About 40 degrees

2. 60 degrees

3. Enzyme A

Explanation:

Hope this helps you

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 : )

answer; i believe that the correct answer is(d) nondisjunction during meiosis;