Mary has type a blood and her husband (john) has type b blood. john's parents both had type ab. mary and john have three children, one with type a, one with type ab, and one with type
b. relatives suspect that one of the children was adopted. what are mary and john's blood genotypes, which child was adopted?

The mixture of sperm and fluids from the seminal vesicles, prostate gland, and cowper's glands is called

Abiology teacher asks students to give examples of genetic variations that support the idea that changes in a population’s environment affect genetic variation. which is the least supportive example? a.changes in genetics in human populationsb.antibiotic resistance in bacteria populationsc.pesticide resistance in garden insectsd.changes in the color of the peppered moth population in england

What are the four stages of cell signaling?