Part b - determining gamete genotypes in trihybrid crosses you have also identified a third recessive mutation that you call crimson. wasps homozygous for crimson have a red abdomen. (wild-type abdomens are yellow.) you make pure-breeding crimson (cc) and triple-mutant (apricot, blunt, crimson) lines. to map the three loci, you perform a trihybrid (three-point) testcross: you first cross crimson wasps with (apricot, blunt) wasps to make an f1, and then you testcross the f1 with the triple-mutant line.

Which of the following is not a characteristic of carnosaurs? a. long narrow skulls b. strong forelimbs c. horn projecting from their skulls d. none of the above

Which muscle is responsible for inhalation ?

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.