Explain the statement “meiosis is mitosis twice.”

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c. ozone layer hole d. increase in sea levels

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

Why did the federal government end its support of yucca mountain as a site for long-term storage of nuclear water