Answer:
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).
Explanation:
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Answer:
At sea level, air pressure is greatest because it is caused by the weight of the entire column of atmosphere at that altitude over that location. As altitude increases, the column of atmosphere gets shorter, and so less weight is pressing down at a given altitude, so atmospheric pressure is reduced.
A different form of a gene
Answer: DNA contains alternating sugar-phosphate molecules whereas RNA does not contain sugars
Explanation:
<span>A woman who regularly misses meals is the most likely to have a child suffering from lowered birth weight. This is because the woman is not receiving enough nutrients for both herself and the developing fetus, leading to undernourishment on the parts of both organisms and weights under what the recommended measures would be.</span>
