What does the notation rr mean to geneticists?
heterozygous alleles (my guess)
homozygous alleles
dominant alleles
recessive alleles

Astudent conducts an experiment to determine how the amount of water given to a plant affects it growth what is the dependent variable for this experiment

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

What is used to keep track of the gamates and possible offsprings combination