sex chromosome

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 — compare X chromosome, Y chromosome

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • 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 — n. a sex determining chromosome in the germ cells of most animals and a few plants: in most animals, including human beings, all the eggs carry an X chromosome and the spermatozoa either an X or Y chromosome, and an egg receiving an X chromosome… …   English World dictionary

  • 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

  • sex chromosome — ► NOUN ▪ a chromosome concerned in determining the sex of an organism (in mammals the X and Y chromosomes) …   English terms dictionary

  • sex chromosome — sex chromosome. См. половая хромосома. (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.

  • 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 chromosome — noun (genetics) a chromosome that determines the sex of an individual mammals normally have two sex chromosomes • Topics: ↑genetics, ↑genetic science • Hypernyms: ↑chromosome • Hyponyms …   Useful english dictionary

  • sex chromosome — UK / US noun [countable] Word forms sex chromosome : singular sex chromosome plural sex chromosomes biology a chromosome that controls what the sex of a living thing will be, for example the x chromosomes and y chromosomes in humans and animals …   English dictionary

  • sex chromosome — Differentiated chromosome which is responsible for the determination of sex of the individual. For all mammals, a small number of flowering plants and many insects, female individuals carry a pair of X chromosomes, and males carry one X and one Y …   Glossary of Biotechnology

  • sex chromosome — sex′ chro mosome n. gen a chromosome that determines the sex of an individual …   From formal English to slang

  • sex chromosome — chromosome that determines the sex of a creature …   English contemporary dictionary

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