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Usually, when mutations cause major changes in the external appearance of a population, the selection mode is how well that new color blends in with its environment. It it blends well, the animal will be hidden better from predators and survive.
Assuming: GG is gray, and gg is white
GG x GG and gg x GG will produce all gray offspring. Gg x Gg will produce one quarter homozygous recessive individual, in other words white offspring.
Answer:
Light microscopes can only magnify up to 2000 times the original size. It is difficult to enhance the contrast between cells and their surroundings to see cell structure and movement with a light microscope.
Explanation:
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