Genes are located
a.) in inherited traits.
b.) only in sex cells.
c.) in cytoplasm.
d.) only in chromosomes.

Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope

9. the history of life on earth is recorded in