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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: Ni ọsẹ kẹjọ, iwọn ida marundinlọgọrin ninu ọgọrun ọmọ inu oyun ni maa lo ọwọ ọtun. Awọn yoku ni a le pin si awọn ti yio lo ọwọ osi, ati awọn ti yio lo mejeeji. Eyi ni o kọkọ fi iwa lilo ọwọ ọtun tabi ọwọ osi han.

All ages referenced to fertilization, not last menstrual period.
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