PLEASE HELP!
After a fetus has developed for only three months, what is its skeleton made of?

Cartlage

Explanation:

The bones will be formed from the centers of ossification, cartilage will gradually be replaced by bone. during this time, ossification of the spine continues.

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 : )