In fruit flies, curved wings are recessive to the normal, straight wings. If you crosse
a heterozygous, straight winged male with a curved wing female, then what would be the
genotype and phenotype of the cross?

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

Procedure in pregnancy to have access to fetus. what do you call this procedure?

Tay-sachs disease is a human genetic abnormality that results in cells accumulating and becoming clogged with very large, complex, undigested lipids. which cellular organelle must be involved in this condition?