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• Male calico cat free#

When summarized, all studies on supernumerary X male mammals describe symptomatic features that, to a certain extent, resemble the aspects of human Klinefelter’s syndrome, namely hampered androgenization, loss of germ cells, Leydig cell hyperplasia and infertility. Furthermore, do male calico cats have Down syndrome? Do supernumerary X male mammals have Klinefelter’s syndrome? That extra X then is reproduced in each of his cells, a condition referred to as XXY, or Klinefelter syndrome. In contrast, male placental mammals, including chromosomally stable male cats, have one X and one Y chromosome. The primary features are infertility and small, poorly functioning testicles. Klinefelter syndrome (KS), also known as 47,XXY is a syndrome where a male has an additional copy of the X chromosome.

Male calico cat free#

One may also ask, can a girl have Klinefelter’s syndrome? What is Klinefelter syndrome?įrom Wikipedia, the free encyclopedia Not to be confused with XYY syndrome. This condition causes these male cats to be tricolored (“calico” or “tortoise-shell”), a color pattern normally only seen in female cats. Distal polyneuropathy Can a female cat have Klinefelter’s syndrome? Otherwise, he’ll be a relatively normal cat. He may exhibit some odd behaviors such as trying to entice other males to mate with him. He will not require neutering as Klinefelter Syndrome causes sterility. On the occasion that you find a very rare male calico, he will almost certainly have Klinefelter Syndrome. What happens if a male calico cat has Klinefelter syndrome? In 1956, identification of the extra X chromosome was first noticed. It is named after Harry Klinefelter, who identified the condition in the 1940s. Klinefelter syndrome is one of the most common chromosomal disorders, occurring in one to two per 1,000 live male births. Among humans, this genetic arrangement is called Klinefelter syndrome. In both cases, the result is a male cat who can inherit the trait for a true calico coat. Is it possible for a male cat to be a calico? In cats it can result in a male tortoiseshell and calico cat (patches of different colored fur), a pattern that is usually only seen in female cats. Klinefelter syndrome can also occur in other animals.