het|er|o|sis

het|er|o|sis
het|er|o|sis «HEHT uh ROH sihs», noun.
Genetics. an increase in vigor of growth, fertility, size, or other characteristics, resulting from crossbreeding; hybrid vigor.
[< New Latin heterosis < Greek hetérōsis alteration < héteros another, different]

Useful english dictionary. 2012.

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  • het|er|o|gen|e|sis — «HEHT uhr uh JEHN uh sihs», noun. = alternation of generations. (Cf. ↑alternation of generations) …   Useful english dictionary

  • het|er|o|kar|y|o|sis — «HEHT uhr oh KAR ee OH suhs», noun. the condition of having or forming heterokaryons …   Useful english dictionary

  • het|er|ol|y|sis — «HEHT uh ROL uh sihs», noun. 1. Biology. the destruction of cells by enzymes or lysins from another organism. 2. Chemistry. the breaking of a bond in an unsymmetrical manner, so that the bonding pair of electrons remains attached to one of the… …   Useful english dictionary

  • het|er|o|mor|pho|sis — «HEHT uhr uh mr FOH sihs», noun, plural ses « seez». Zoology. the replacement or substitution of one organ or lost part by another organ or new part that is different from the part that has been removed or is in an abnormal position …   Useful english dictionary

  • het|er|o|zy|go|sis — «HEHT uhr uh zy GOH sihs», noun. = heterozygosity. (Cf. ↑heterozygosity) …   Useful english dictionary

  • heterosis — het·er·o·sis …   English syllables

  • heterosis — /het euh roh sis/, n. Genetics. the increase in growth, size, fecundity, function, yield, or other characters in hybrids over those of the parents. Also called hybrid vigor. [1910 15; < LGk hetérosis an alteration. See HETERO , SIS] * * * or… …   Universalium

  • heteroresistant — het·ero·re·sis·tant (het″ər o re zisґtənt) having variable degrees of resistance, usually referring to a population of bacteria in which some are susceptible and some are resistant to a given drug …   Medical dictionary

  • heterosis — het•er•o•sis [[t]ˌhɛt əˈroʊ sɪs[/t]] n. gen the increase in growth, size, yield, or other characters in hybrids over those of the parents • Etymology: 1910–15; < LGk hetérōsis an alteration. See hetero , osis …   From formal English to slang

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