How many molecules of oxygen are produced for every molecule of carbon dioxide that is consumed during photosynthesis

The deserts of the sahara and australia are associated with

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

In the controversial scientific process of cloning, organisms are created that are genetically identical to there parent. this process would be classified as