n mice, having black fur (B) is dominant to white fur (b). If two mice are crossed and the offspring are Bb, what is the phenotype? A Black fur B Grey fur C White fur D Hybrid

How does the nervous system affect the excretory system?

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material

If a human has 23 pairs of chromosomes in every muscle cell of its body how many chromosomes will be in a human egg or sperm