At present, stem cell–based therapies are the clinical standard of care for only a few conditions, including leukemia and macular degeneration. Before stem cell therapies can be ethically approved for other conditions, which safety assessments should be confirmed? Choose three correct statements. A. Stem cells should not have harmful mutations. B. Stem cells should not spread beyond the site of the transplant. C. Stem cell treatment should not cause tumors. D. Stem cell treatment should not overrun costs.

In german cockroaches, curved wing (cv) is recessive to normal wing (cv+). bill, who is raising cockroaches in his dorm room, finds that the frequency of the gene for curved wings in his cockroach population is 0.6. in his friend joe’s apartment, the frequency of the gene for curved wings is 0.2. one day joe visits bill in his dorm room, and several cockroaches jump out of joe’s hair and join the population in bill’s room. bill estimates that, now, 10% of the cockroaches in his dorm room are individual roaches that jumped out of joe’s hair. what is the new frequency of curved wings among cockroaches in bill’s room? 0.69 0.4 0.5 0.31 0.20

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Suppose you were the commissioner of corrections for your state. which correctional activities might come within your domain? which mostly would not