Coyoty (coyoty) wrote,
Coyoty
coyoty

Embryo has two mommies.

British scientists have developed a human embryo with three parents, a man and two women.  To avoid defects in the conception mother's mitochondrial DNA, which is only inherited from the mother, they remove the existing mitochondria from the fertilized egg and transplant healthy mitochondria from another woman, thereby giving it the genetics of three people.  The procedure is experimental at this point, done on rejected embryos from in vitro fertilization, and not brought to term.

http://news.yahoo.com/s/nm/20080205/od_uk_nm/oukoe_uk_embryo_parents
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