In zucchini plants, the trait for tall stems is dominant over the trait for short stems. If two heterozygous tall plants are crossed, what percentage of the offspring would be expected to have the same phenotype as the parents?
a. 100%
b.75%
c.50%
d.25%

answer; both surfaces of the membrane are nonpermeable

mass and weight are closely related because mass affects the weight of an object experiencing the effects of gravity. weight is the measure of the force of gravity on an objects's mass, while mass is the measure of how much matter there is in an object.

label a.   prophase

label b. metaphase

label c: anaphase

label d: telophase