heterogametic sex


heterogametic sex
   The sex that produces gametes each with either an X or Y chromosome. In mammals, the Ybearing sperm are male determinant and the X female.

Forensic science glossary. . 2012.

Look at other dictionaries:

  • Heterogametic sex — refers to the sex of a species in which the sex chromosomes are not the same. For example, in humans, males, with an X and a Y sex chromosome, would be referred to as the heterogametic sex, and females having two X sex chromosomes would be… …   Wikipedia

  • heterogametic sex — heterogametic sex. См. гетерогаметный пол. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • heterogametic sex — heterogametinė lytis statusas T sritis augalininkystė apibrėžtis Lytis, kurios individas gamina dviejų tipų gametas. atitikmenys: angl. heterogametic sex rus. гетерогаметный пол …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • heterogametic — Having sex gametes of contrasting types; human males are h.. SYN: digametic. [hetero + G. gametikos, connubial] * * * het·ero·ga·met·ic gə met ik, mēt adj forming two kinds of gametes of which one determines offspring of one sex and the other… …   Medical dictionary

  • heterogametic — adj. describing the sex that produces two different kinds of gamete, which carry different sex chromosomes, and that therefore determines the sex of the offspring. In humans men are the heterogametic sex: the sperm cells carry either an X or a Y… …   The new mediacal dictionary

  • sex-linked disorder — A genetic defect, usually due to a gene on the unpaired portion of the X chromosome. Recessive X linked alleles are fully expressed in the heterogametic sex because they can have only one copy of the gene. Thus X linked mutant disorders are more… …   Dictionary of molecular biology

  • Sex linkage — is the phenotypic expression of an allele that is related to the chromosomal sex of the individual. This mode of inheritance is in contrast to the inheritance of traits on autosomal chromosomes, where both sexes have the same probability of… …   Wikipedia

  • heterogametic — HETEROGAMÉTIC, Ă adj. (despre sex) care dă naştere la heterogameţi. (< fr. hétérogamétique) Trimis de raduborza, 15.09.2007. Sursa: MDN …   Dicționar Român

  • sex chromosome — Chromosome that determines the sex of an animal. In humans, where the two sex chromosomes (X and Y) are dissimilar, the female has two X chromosomes, and the male is heterogametic (XY). In birds, the opposite is the case, the male being XX and… …   Dictionary of molecular biology

  • heterogametic — Producing unlike gametes with regard to the sex chromosomes. In mammals, the XY male is heterogametic, and the XX female is homogametic …   Glossary of Biotechnology


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