Sexing

Sexing

Through sexing, biologists and agricultural workers determine the gender of livestock and other animals they work with. The specialized trade of chicken sexing has a particular importance in the poultry industry.

* Physical sexingAssisted physical sexing is a relevant issue in Vertebrates with cloaca (e.g. [Birds, Reptiles or Amphibians) when there are no external sexual dimorphism.In Veterinary practice, fibroscopy is used under general anaesthesia in Birds (e.g. Parrots).

* Molecular sexing
Molecular sexing are techniques using DNA for determine genders in wild (population studies) or domestic species (farming, genetics) or man (archaeology, forensic medicine).Markers commonly used inclue :
** amelogenin
** SRY
** ZFX/ZFYVarious techniques have been developed using simple polymerase chain reaction product size dimorphism, presence/absence, restriction dimorphism, or even sequencing.


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Look at other dictionaries:

  • sexing — au·to·sexing; sexing; …   English syllables

  • sexing — vb British having sex. A term used by young children. ► Fraser said he saw someone in a car sexing. (Recorded, 8 year old, London, 1988) …   Contemporary slang

  • Sexing the Cherry — (1989) is a novel by Jeanette Winterson.Set in 17th century London, Sexing the Cherry is about the journeys of a mother, known as The Dog Woman, and her protégé, Jordan. They journey in a space time flux: across the seas to find exotic fruits… …   Wikipedia

  • sexing — determination of the sex of a fish, usually by external characters (secondary sex characteristics) …   Dictionary of ichthyology

  • sexing — present part of sex …   Useful english dictionary

  • Chick sexing — Chicks of different sexes can appear quite similar. Chick sexing is the method of distinguishing the sex of chicken and other hatchlings, usually by a trained person called a chick sexer or chicken sexer.[1] Chicken sexing is practiced mostly by… …   Wikipedia

  • semen sexing — Synonym of sperm sexing …   Glossary of Biotechnology

  • nuclear sexing — noun Testing a person s sex by examining cells from inside the cheek which, in females, have a material near the nucleus that can be stained blue • • • Main Entry: ↑nuclear …   Useful english dictionary

  • embryo sexing — The determination of the sex of an embryo prior to birth. Typically achieved by the polymerase chain reaction mediated amplification of DNA extracted from a sample of embryonic tissue. Dependent on the availability of reliable markers for the… …   Glossary of Biotechnology

  • sperm sexing — The separation of mammalian sperm into those bearing an X chromosome and those bearing a Y chromosome, in order to be able to produce, via artificial insemination or in vitro fertilization, animals of a specified sex. Methods for achieving this… …   Glossary of Biotechnology

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