3 ms·

> Because of the odd combination of DNA picked up from the two sperm, doctors have been concerned that the twins might be vulnerable to cancer of the reproducti

• jey 8y ago
  That's just the article's handwaving. The case report actually says: > During follow-up at 3 years of age, routine ovarian surveillance showed Twin 2 to have gonadal dysgenesis, and prophylactic oophorectomy was performed.
  • jessriedel 8y ago
    Yea, this is highly clarifying. The OP article makes it sound like they decided to render Twin 2 sterile because of a risk of cancer inferred from some theorizing about the genetics of a these new sorts of twins. In fact, it sounds like Twin 2 was already sterile. > Streak gonads are the defective development of the gonads in an embryo, with reproductive tissue replaced with functionless, fibrous tissue, termed streak gonads. [It is] a form of aplasia, resulting in hormonal failure that manifests as sexual infantism and infertility, with no initiation of puberty and secondary sex characteristics.
• lazyasciiart 8y ago
  " Having both male and female pairs of sex chromosomes throughout various cells in the body is linked to certain developmental problems in the reproductive organs as well as cancer, Gabbett said"