i wonder why meiosis i reduces the number of chromosome sets per individual cell from diploid to haploid.

Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?

Your sense of touch depends upon: a. direct contact b. heat chemical c. reactions d. pain