Females inherit two x chromosomes and males inherit one x chromosome. however, there is not a double dose of x gene products in females because of:

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna