Which of the following best describes a topographic map? a. a map showing restaurants, malls and major attractions for a city b. a map that shows elevation c. a map that only shows rock types and ages d. all of these answers are correct f. none of these answers are correct

The answer is B.
A topographic map is a graphical representation of the three dimensional shape of the Earth’s surface that shows elevations.

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.