Question

give reason: variations keep on accumulating during reproduction and do not disappear in next generation

Answer 1

Variations are permanent changes in DNA of the organism. These variations happen during meiosis in the formation of gametes. They keep accumulating and help in the evolution of the organism.

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Answer 2

Answer:

When DNA of the offspring comes from two parents, there are more chances of genetic variation which pass to the next generation.

Explanation:

Variations keep on accumulating and may or may not show up in the next generation. If they don't show up in the next generation, they might show up in next to next generation later on.

For instance, the baby of two brown parents is white because the grandfather of the baby was white.