While taking a difficult test, cindy's muscles tense and her heart pounds. these physiological responses are best described as?

These psychological responses are best describes as cindy's response to stress. she is currently under stress with having no other option but to take this test, so she may feel a little bit of anxiety about whether or not she'll get a certain question right or whether she may run out of time and not finish. there are various reasons for her body's response in this situation.

The answer would be c, white eyes are homozygous recessive. in the early 1900s, morgan conducted several experiments with vinegar  flies (drosophila). one  sample revealed an anomaly: a  white-eyed, single male fly. he attempted to breed this fly with the typical red-eyed females. the offspring were all red-eyed. using flies from this new generation (brother-sister pairs)  produced some red-eyed and a few white-eyed flies. the white-eyed were all male. in later experiments, he was able to produce white-eyed females. this proved that white eyes are not lethal to either sex (ruling out a and b). since the percentage of white eyes to red eyes is so low, white eyes are not a dominant trait. it would be a recessive trait. 

The answer is c i think