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Choose the incorrect statement from the following.

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Humans knew from as early as 8000-1000 B.C that sexual reproduction is one of the causes of variation.

They exploited the variation to obtain plants and animals of desirable characters through selective breeding.

Sahiwal cows were obtained through artificial selection and domestication from ancestral wild cows.

Our ancestors were very well aware about the scientific basis of inheritance of characters and variation.

answer is D.

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Our ancestors knew about the inheritance of characters and variation, they had very little idea about the scientific basis of these phenomena.

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