Cells undergo differentiation during embyonic development. An individual skin cell develops differently from a muscle cell because Question 7 options: the cells have different DNA. The cells have different genes. The cells express different genes. The cells have different chromosomes.

Look at the photo of the leaf. which term best describes this leaf?

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.

In sheep, the allele for belly fur (a) is dominant to the allele for no belly fur (a). a mother with the genotype aa and a father with the genotype aa produce an offspring.