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Scoop.it!
Ever feel like your sons are always on your mind? Actually, it might be more true that you think – researchers at the Fred Hutchinson Cancer Research Center have found traces of male DNA in women’s brains, which seems to come from cells from a baby boy crossing the blood-brain barrier during pregnancy. This is known as microchimerism, and according to the researchers, this is the first description of male microchimerism in the female human brain. 
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Scoop.it!
Suspended in the blood of a pregnant woman — along with some added information from a dad-to-be’s saliva — lurks enough fetal DNA to map out an unborn baby’s entire genetic blueprint. Via Ruth Grayberg, Natalie Stewart
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