Around 1875, the game of poker adopted the joker as a wild card. They have been a standard part of American playing card decks since the 1940s. Jokers as a Nickname for a Pair of Jacks. The second meaning of jokers is a slang term for a pair of jacks in Texas Hold'em.
Inheritance and Genetics of Intersex conditions. Genetics of Intersex conditions: Some intersex conditions are caused by chromosome deletions and duplications, while other conditions are due to specific chromosome mutations that may be inherited. Inheritance of Intersex conditions refers to whether the condition is inherited from your parents or runs in families. The level of inheritance of a condition depends on how important genetics are to the disease.
X-linked genes just like autosomal genes have both dominant and recessive types. Recessive X-linked disorders are rarely seen in females and usually only affect males. This is because males inherit their X chromosome and all X-linked genes will be inherited from the maternal side. Fathers only pass on their Y chromosome to their sons, so no X-linked traits will be inherited from father to son.