heterogametic

Having sex gametes of contrasting types; human males are h.. SYN: digametic. [hetero- + G. gametikos, connubial]

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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 determines offspring of the opposite sex <the human male is \heterogametic>
het·ero·gam·e·ty -'gam-ət-ē n, pl -ties

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adj.
describing the sex that produces two different kinds of gamete, which carry different sex chromosome, 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 chromosome. Compare homogametic.

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het·ero·ga·met·ic (het″ər-o-gə-metґik) pertaining to production of gametes containing more than one kind of sex chromosome, as in human males (XY).

Medical dictionary. 2011.

Look at other dictionaries:

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

  • heterogametic — adjective Date: 1910 forming two kinds of gametes of which one produces male offspring and the other female offspring < the human male is heterogametic > • heterogamety noun …   New Collegiate 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

  • 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

  • heterogametic — adj. [Gr. heteros, different; gamete, spouse] Pertains to the sexual form that gives rise to two different types of sexual gametes in meiosis; in xy and xo systems this is usually male; digametic; see homogametic …   Dictionary of invertebrate zoology

  • heterogametic — /het euh roh geuh met ik/, adj. Genetics. (of a species or individual organism) having two unlike gametes. Cf. homogametic. [1905 10; HETERO + GAMETIC] * * * …   Universalium

  • heterogametic — adjective a) That produces heterogametes b) That produces different forms of the same gamete e.g. spermatozoa containing either an X or a Y chromosome …   Wiktionary

  • heterogametic — adj. having two gametes which differ in character or form (Biology) …   English contemporary dictionary

  • heterogametic — [ˌhɛt(ə)rə(ʊ)gə mɛtɪk] adjective Biology denoting the sex which has sex chromosomes that differ in morphology, e.g. (in mammals) the male and (in birds) the female …   English new terms dictionary

  • heterogametic — het·ero·gametic …   English syllables

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