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jan 1, 530 BC - 530s BC: Pythagoras/ Spermism

Description:

Pythagoras roposed one of the earliest and mostwidely accepted theories to explain the similarity between parents and their children.
The theory was eventually called spermism, highlighting the central role of the sperm indetermining all the features of a fetus.

Added to timeline:

17 Jul 2021
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Date:

jan 1, 530 BC
Now
~ 2557 years ago

Images: