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The Endowment for Human Development
The Endowment for Human Development
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Right- and Left-Handedness


8 weeks

From The Biology of Prenatal Development.Buy Now

Script: Teen 8 weke toon 75% van embrios al regterhand-dominansie. Die res is eweredig tussen linkerhand-dominansie en geen voorkeur verdeeld. Dit is die vroegste bewys van regter- of linkerhandoorheersing.

All ages referenced to fertilization, not last menstrual period.
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