Which process results in the formation of sex cells? A. crossing over

B. meiosis

C. separation

D. transfer

Explain why ecosystem diversity results in species diversity in a healthy biosphere

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

How many chromosomes are in a human gamete?