Explain why a person with the aa genotype has very pale skin and hair colour. Include the words enzyme and melanin in your explanation.

They have two copies of the gene that codes for a protein responsible for creating melanin (skin pigment).

as a camel goes without food, its hump begins to shrink. its fur prevents the camel from sweating too much.camels store fat in their humps, not water.

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.