An organism has 28 pairs of chromosomes in its diploid somatic cells. How many chromosomes are in its gametes?
diploid = 2n, haploid = n
2n = 28 pairs = 28×2 = 56, n = 28
gametes are haploid = n = 28 total chromosomes
Compare: They are both living organisms.
contrast: Autotrophs make their own food. But heterotrophs can not make their own food.
The answer is Water Vapor
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