Which of the following is NOT true concerning CRISPR technology? it can be used to treat a number of medical conditions

the RNA guide acts like "microscopic scissors" to cut the DNA

it is used to edit the genome

CRISPR stands for "Clustered regularly interspaced palindromic repeats"

the enzyme is called Cas9

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

Name the organs of humanelemintary canal.

Isolated volcanic peaks on the ocean floor are