Name the major functional groups and describe it the chemical properties of the organic molecules in which they occur.

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

What material did the moon come from?

Explain why scientists use the word dominant for certain traits.