Gene duplication, mutation, or other processes can produce new genes and alleles and increase genetic variation. New genetic variation can be created within generations in a population, so a population with rapid reproduction rates will probably have high genetic variation.
Answer:
B
Explanation:
As the moon rotates around the Earth the angle of light given off from the sun changes.
TRNA matches amino acids with the bases on the mRNA
Endocytosis moves materials into the cell. In exocytosis, materials are taken out of the cell through secretory vesicles. Both require the expenditure of energy.
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