Arteries join veins and capillaries. true or false
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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.

Where can dna be found in a prokaryotic cell

What are the student's observations and inferences before he starts his investigation?