sex determination

sex determination
sex determination.
(Источник: «Англо-русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд-во ВНИРО, 1995 г.)


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  • sex determination — n the process by which sex and the characteristics distinctive of a sex are imparted to a developing organism * * * the process by which the sex of an organism is fixed; it is associated, in humans, with the SRY (sex determining region Y) gene,… …   Medical dictionary

  • sex-determination — sexˈ determinātion noun The biological process by which the sex of a new organism is determined • • • Main Entry: ↑sex …   Useful english dictionary

  • sex determination — noun : the process of imparting sex and the characteristics distinctive of a sex to a developing organism that results from the interaction of genetic and other factors during ontogeny …   Useful english dictionary

  • sex determination — Any method by which the distinction between males and females is established in a species, particularly at an early stage of foetal development …   Glossary of Biotechnology

  • Sex-determination system — A sex determination system is a biological system that determines the development of sexual characteristics in an organism. Most sexual organisms have two sexes. In many cases, sex determination is genetic: males and females have different… …   Wikipedia

  • Sex determination and differentiation (human) — Human sex determination refers to the processes by which an individual becomes either a male or female during development.The Jost ParadigmUnder typical circumstances, the sex of an individual will be determined and expressed through the… …   Wikipedia

  • XY sex-determination system — Drosophila sex chromosomes The XY sex determination system is the sex determination system found in humans, most other mammals, some insects (Drosophila) and some plants (Ginkgo). In this system, females have two of the same kind of sex… …   Wikipedia

  • Temperature-dependent sex determination — (TSD), also called environmental sex determination [ The adaptive significance of temperature dependent sex determination in a reptile] from Nature ] , is where the… …   Wikipedia

  • Haplodiploid sex-determination system — The haplodiploid sex determination system determines the sex of the offspring of many Hymenopterans (bees, ants, and wasps), and coleopterans (bark beetles). In this system, sex is determined by the number of sets of chromosomes an individual… …   Wikipedia

  • ZW sex-determination system — The ZW sex determination system is a system that determines the sex of offspring in birds, some fish, and some insects (including butterflies and moths). In the ZW system it is the ovum that determines the sex of the offspring, in contrast to the …   Wikipedia


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