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male egg
Male eggs are the result of a process in which the eggs of a female would be emptied of their genetic contents (a technique similar to that used in the cloning process), and those contents would be replaced with male DNA. Such eggs could then be fertilized by sperm. The procedure was conceived by Calum MacKellar, a Scottish bioethicist. With this technique, two males could be the biological parents of a child. However, such a procedure would additionally require an artificial womb or a female gestational carrier.〔(EUROPEAN BIOETHICAL RESEARCH: "CHILDREN WITH TWO GENETIC FATHERS" )〕〔(Telegraph.co.uk: "Genetic offspring for gays 'a possibility'" )〕〔(New Scientist: "Baby talk" )〕〔(CBC news: "Timeline: Assisted reproduction and birth control" )〕〔(BBC News: "Male-only conception 'highly speculative'" )〕〔(Center for Genetics and Society: "Are male eggs and female sperm on the horizon?" )〕
In 2003, researcher Hans Robert Schöler at the University Of Pennsylvania successfully created eggs using both male and female mouse DNA.〔(University of Pennsylvania: "The Most Amazing Cell" )〕
==See also==
* Female sperm
* Male lactation
* Male pregnancy
* Same-sex marriage and procreation
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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