What is your answer?

A natural genetic mechanism of the human species produces an approximate 50/50 distribution of the sexes.

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1 is correct!

A natural genetic mechanism of the human species produces an approximate 50/50 distribution of the sexes.

See p. 320.

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2 is wrong. Please try again.

A natural genetic mechanism of the human species produces an approximate 50/50 distribution of the sexes.

See p. 320.

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