n. (Biology) cell containing a double set of chromosomes arranged in homologous pairs within its nucleus (most cells in the body are diploids except gametes)

English contemporary dictionary. 2014.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • Katherine MacLean — Katherine Anne MacLean (born January 22, 1925) is an American science fiction author best known for her short stories of the 1950s which examined the impact of technological advances on individuals and society.Brian Aldiss noted that she could do …   Wikipedia

  • Ploidy — Haplo redirects here. For the fictional character, see The Death Gate Cycle. For the aquarium fishes, see Haplochromini. Diploid cells have two homologous copies of each chromosome. Ploidy is the number of sets of chromosomes in a biological cell …   Wikipedia

  • Daylily — Scientific classification Kingdom …   Wikipedia

  • Mating of yeast — The yeast Saccharomyces cerevisiae is a simple single celled eukaryote with both a diploid and haploid mode of existence. The mating of yeast only occurs between haploids, which can be either the a or α (alpha) mating type and thus display simple …   Wikipedia

  • Acorus calamus — Common Sweet Flag Sweet flag Scientific classification Kingdom: Plantae (unranked) …   Wikipedia

  • Tetrad (genetics) — For other uses, see Tetrad (disambiguation). The tetrad is the four spores of a yeast or Chlamydomonas, that separate after mating. If the two parents have a mutation in two different genes, the tetrad can segregate as the parental ditype (PD),… …   Wikipedia

  • diploid — dip loid (d[i^]p loid), n. [Gr. diplo os twofold + oid.] 1. (Crystallog.) A solid bounded by twenty four similar quadrilateral faces. It is a hemihedral form of the hexoctahedron. [1913 Webster] 2. (Biol.) a cell or organism having a number of… …   The Collaborative International Dictionary of English

  • Hymenoptera — Taxobox name = Hymenoptera fossil range=Triassic Recent image width = 240px image caption = female Andrena sp. regnum = Animalia phylum = Arthropoda classis = Insecta subclassis = Pterygota infraclassis = Neoptera superordo = Endopterygota ordo …   Wikipedia

  • Speciation — Part of a series on Evolutionary Biology …   Wikipedia

  • Hybrid (biology) — In biology and specifically, genetics, the term hybrid has several meanings, all referring to the offspring of sexual reproduction.[1] In general usage, hybrid is synonymous with heterozygous: any offspring resulting from the mating of two… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”