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sex limited chromosome

См. также в других словарях:

  • sex chromosome — n a chromosome (as the X chromosome or the Y chromosome in humans) of a sexually reproducing eukaryotic organism that is directly concerned with the inheritance of sex, that contains the genes governing the inheritance of various sex linked and… …   Medical dictionary

  • sex chromosome — noun Date: 1906 a chromosome that is inherited differently in the two sexes, that is concerned directly with the inheritance of sex, and that is the seat of factors governing the inheritance of various sex linked and sex limited characters… …   New Collegiate Dictionary

  • Sex-selective abortion — is the practice of terminating a pregnancy based upon the predicted sex of the baby. The selective abortion of female fetuses is most common in areas where cultural norms value male children over female children,[1] especially in parts of People… …   Wikipedia

  • sex — /seks/, n. 1. either the male or female division of a species, esp. as differentiated with reference to the reproductive functions. 2. the sum of the structural and functional differences by which the male and female are distinguished, or the… …   Universalium

  • sex chromosome — Genetics. a chromosome, differing in shape or function from other chromosomes, that determines the sex of an individual. [1910 15] * * * Either of a pair of chromosomes that determine whether an individual is male or female. The sex chromosomes… …   Universalium

  • Sex selection — Parents frequently prefer their offspring to be of a particular sex for a variety of reasons. Social sex selection or human sex selection is the attempt to control the sex of offspring to achieve a desired sex. It can be accomplished in several… …   Wikipedia

  • Sex change — ex change in animalsSome species are known to change sex, including reproductive functions, in special circumstances, such as the clownfish. A school of clownfish is always built into a hierarchy with a female fish at the top. When she dies, the… …   Wikipedia

  • Y chromosome — Human Y chromatid The Y chromosome is one of the two sex determining chromosomes in most mammals, including humans. In mammals, it contains the gene SRY, which triggers testis development if present. The human Y chromosome is composed of about 60 …   Wikipedia

  • Brain Sex — Infobox Book | name = Brain Sex title orig = translator = image caption = author = Anne Moir and David Jessel cover artist = country = United Kingdom language = English series = genre = Social Science publisher = Michael Joseph (Penguin) release… …   Wikipedia

  • endocrine system, human — ▪ anatomy Introduction  group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …   Universalium

  • Gender — This article is about the distinction between male and female entities and concepts. For other uses, see Gender (disambiguation). Gender is a range of characteristics used to distinguish between males and females, particularly in the cases of men …   Wikipedia

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