you do NOT have a cleft chin, can you be sure of your genotype for that trait? If so, what I the genotype be?

Which would be the most useful source of evidence to support mcneill's contention?

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables