Male egg

Male egg can refer to either:

  1. A nonhuman egg which contains a Z chromosome, in species with a ZW sex-determination system produced in the usual way by a female, referring to the occurrence of such an egg being fertilized by a sperm giving birth to a female.
  2. An egg that artificially contains genetic material from a male.
Not to be confused with a male zygote or an animal egg containing a male embryo.

This article focuses on the second definition.

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.[1][2][3]

See also

References
  1. EUROPEAN BIOETHICAL RESEARCH: "CHILDREN WITH TWO GENETIC FATHERS" Archived 2007-07-27 at the Wayback Machine
  2. BBC News: "Male-only conception 'highly speculative'"
  3. Center for Genetics and Society: "Are male eggs and female sperm on the horizon?"


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