Scientists have determined chimerism is a defect.<quoted text>
WE were discussing both the history of marriage AND homosexuality. The article related to the later. I've never asserted that GLBT wasn't present at a defect rate of about 4%.
Epi-markers are 'normally' erased. They weren't fully erased in the case of homosexuals. Unbiased persons would term that a 'mistake'.
Scientists have NOT determined that homosexuality is a normal orientation. That is the whole point of the article. Some psychologists have made an assertion unvalidated by scientists.
They can test the fetus and abort it.