Dihybrid cross: cross to individuals that are both TtRr. Complete The dihybrid cross. R=round r=wrinkled T=tall t=short
a) what are the gametes for TtRr
b) what is the probability that the offspring will be wrinkled and short?
c) what is the probability that the offspring will be round and short?

What did hunter gathers do to alter the environment?

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.

The idea of spontaneous generation was disproved by in a experiment involving jars of meat