A father has two copies of a lactose persistence allele , he is homozygous dominant. The mother has one copy of that allele , she is heterozygous . Both of the parents are lactose tolerant . What is the probability of passing down a lactose persistence allele? A) 0%
B)25%
C)75%
D)100%

In which process is oxygen absorbed by an organism asap apex

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

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.