Color blindness is a sex-linked recessive disorder. If a boy is color blind but both of his parents have normal vision, determine the genotype of his mother. (please hurry this is timed)

Dermal tissue in plants stores 1.extra food 2.transports water and nutrients 3.transports waste materials 4.is similar to epithelial cells in animals

What are the two main phases of a cell cycle

Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.