The ovaries develop normally at first, but egg cells oocytes usually die prematurely and most ovarian tissue degenerates before birth. Wilson was one of those who tried to integrate the sex chromosomes into the metabolic theory — with sex chromosomes, hormones and environmental pressures each influencing how offspring move through different parts of the sex development spectrum — but the damage, Richardson argues, was done.
Review provided by VeriMed Healthcare Network. Williams Textbook of Endocrinology. National Institutes of Health.
Reason For Evaluation 4. Shannon P. The most widespread karyotype in affected patients is 47,XXY. Deng C, et al. Langfelder P. About Klinefelter syndrome. Cell, — Search for:.
The fashion was to think of genetics as the reductive answer to everything — it felt like every physical characteristic, from eye colour to height to intelligence to sex, was caused by the presence or absence of a single gene or set of genes.
Morgan T. Care of girls and women with Turner syndrome: Beyond growth and hormones. Turner syndrome.
Search for:. Close Copy Link. National Organization for Rare Disorders. Teaching Resources. Mayo Clinic Marketplace Check out these best-sellers and special offers on books and newsletters from Mayo Clinic. Mosaic Turner syndrome when some cells have one X chromosome and some have two sex chromosomes is caused by a random error in early fetal development shortly after conception.