How is artificial selection different from natural selection?
In natural selection, a. the proportion of a trait in a population changes over time. It does not in artificial selection. b. only some individuals survive and reproduce. In artificial selection, all survive and reproduce. c. survival and reproduction is due to random changes. Artificial selection is nonrandom. d. the most fit for the environment reproduce more. In artificial selection, those most attractive to humans reproduce more. 12. A scientist finds a large amount of HIV RNA inside a cell, but there is no viral DNA incorporated into the host chromosome. What most likely happened? a. The viral reverse transcriptase was nonfunctional. b. The virus was not able to inject its genetic material into the cell. c. The cell did not properly transcribe the viral genes. d. The cell did not properly translate the viral genes. 13. How does HIV maintain itself in the body during the asymptomatic phase? a. It replicates very slowly. b. It mutates every time it replicates, becoming unrecognizabl
