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Haemophilia (British English), or hemophilia (American English) [6] (from Ancient Greek αἷμα (haîma) 'blood' and φιλία (philía) 'love of'), [7] is a mostly inherited genetic disorder that impairs the body's ability to make blood clots, a process needed to stop bleeding.
The naming of hybrid animals depends on the sex and species of the parents. The father giving the first half of his species' name and the mother the second half of hers. (I.e. a pizzly bear has a polar bear father and grizzly bear mother whereas a grolar bear's parents would be reversed.)
The genes that produce photopigments are carried on the X chromosome; if some of these genes are missing or damaged, color blindness will be expressed in males with a higher probability than in females because males only have one X chromosome. Hemophilia refers to a group of bleeding disorders in which it takes a long time for the blood to clot.
[1] [2] Some animal sexual behaviour involves competition, sometimes fighting, between multiple males. Females often select males for mating only if they appear strong and able to protect themselves. The male that wins a fight may also have the chance to mate with a larger number of females and will therefore pass on his genes to their ...
[58] [64] This method can be used to increase a particular animal's contribution to the population. [58] While linebreeding is less likely to cause problems in the first generation than does inbreeding, over time, linebreeding can reduce the genetic diversity of a population and cause problems related to a too-small gene pool that may include ...
Homosexual behaviour is demonstrated by 120 known species of birds. [40] While an uptick in research on bird homosexuality – and animal homosexuality in general – has been coming out in recent years, it is common for some authors to labour in articulating the view any root cause or function of bird homosexuality is poorly understood.
Symptomatic carriers of the gene, while not hemophiliacs themselves, can have symptoms of hemophilia including a lower than normal blood-clotting factor that can lead to heavy bleeding. [15] If Anastasia lived to have children of her own, it is genetically probable that they would have been afflicted by the disease.
Fixed. All occurrences of "hemophilia" have been changed to "haemophilia", except where "hemophilia" is the title of a reference. -bladebot 05:42, 26 September 2007 (UTC) I find it confusing that a Haemophila article links to Hemophilia A.