Question

According to historical records, when did early humans recognize that sexual reproduction causes variation?

Options

• Around 1500 A.D.

• Around 2000 B.C.

• Around 500 B.C.

• Around 8000–1000 B.C.

Answer 1

Early humans knew that sexual reproduction causes variation around 8000–1000 B.C. This knowledge predates modern genetics and shows that humans have long understood the connection between reproduction and offspring variation.