If a black circle represents a mother with the homozygous recessive genotype, what is the father’s genotype?
A. The parents both have the same genetic structure.
B. The parents are both heterozygous for the expressed genes.
C. The father is heterozygous for the trait
D. The offspring are all different from the parents.

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

Are gametes exactly the same? explain why or why not?

What does the number 18.9984 represent in the image?