Which of the following is NOT a base found in DNA? A. Thymine

B. Guanine

C. Adenine

D. Uracil

Which type of neuroglia is found outside of the brain?

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

As a small change in a person's dna can cause a genetic disorder