monohybridn.adj.
/ˌmɒnə(ʊ)ˈhʌɪbrɪd/, U.S. /ˌmɑnəˈhaɪbrᵻd/ Genetics.
A. n.
A hybrid that is heterozygous for a single trait or gene; esp. one having one dominant and one recessive allele at the locus concerned.
ΘΚΠ
the world > life > biology > biological processes > genetic activity > heredity or hereditary descent > [noun] > cross-breeding or hybridism > hybrid or cross
mongrel1558
hybrid1601
centaur1606
mulatto1664
half-strain1673
cross1761
cross-breed1774
first cross1793
double-cross1810
quadroon1811
intercross1859
outcross1882
reciprocal1901
filial generation1902
monohybrid1902
vicinist1905
first filial (or F₁) generation1909
polyhybrid1910
back-cross1919
second filial (or F₂) generation1938
1902 Science 31 Oct. 709/2 Regarding any single respect in which these two plants differ, the resulting hybrid is a mono-hybrid.
1911 J. B. Farmer & A. D. Darbishire tr. H. de Vries Mutation Theory II. 585 We have given the name of monohybrids to those mongrels whose parents differ from one another in a single elementary character only.
1931 A. F. Shull Heredity (ed. 2) vii. 52 Offspring produced by two parents which differ in only one inherited feature are known as monohybrids.
1967 A. Müntzing Genetics v. 46/2 Heterozygotes for one gene pair, monohybrids,..display monohybrid segregation in the ratio of 3:1.
1984 Jrnl. Heredity 75 499/2 Mendel was already breeding polyhybrids experimentally before he had his laws for monohybrids.
B. adj.
That is heterozygous for a single trait or gene; (also) designating, relating to, or characteristic of a cross between two genetically identical monohybrids.
ΘΚΠ
the world > life > biology > biological processes > genetic activity > heredity or hereditary descent > [adjective] > cross-breeding or hybridization
bigenerous1610
hybridan1623
mongrel1633
hybridous1691
mule1728
hybrid1775
cross-bred1856
hybridizablea1864
paragenesic1864
hybridized1872
cross1886
monohybrid1903
outbred1903
intergeneric1921
polyhybrid1922
reticulate1938
trihybrid1941
inter-strain1950
1903 Bull. Torrey Bot. Club 30 159 It does not take account of the sexual generation, which we believe in the monohybrid seed-plants of the Pisum-type, is always pure.
1910 Amer. Naturalist 44 67 The crosses have all given a simple mono-hybrid ratio.
1960 D. C. Braungart & R. Buddeke Introd. Animal Biol. (ed. 5) xx. 338 The seeds obtained from this crossing produced a hybrid generation of plants (monohybrid for length of stem).
1964 M. Critchley Developmental Dyslexia x. 64 The author concluded that developmental dyslexia follows a monohybrid autosomal dominant mode of inheritance.
1994 Internat. Jrnl. Plant Sci. 155 373 If a tree is monohybrid for a chlorophyll-deficient allele, self-pollination results in a 3:1 ratio of green to albino embryos.
Derivatives
monoˈhybridism n. rare
ΘΚΠ
the world > life > biology > biological processes > genetic activity > heredity or hereditary descent > [noun] > cross-breeding or hybridism
nick1824
crossing1851
hybridization1851
hybridism1854
intercrossing1859
hybridation1879
outcrossing1890
paragenesis1890
outbreeding1901
back-crossing1904
vicinism1905
monohybridism1907
cross-breeding1932
1907 R. C. Punnett Mendelism (ed. 2) 34 The cases..concern only a single pair of differentiating characters, that is to say, are cases of monohybridism.
This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).
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n.adj.1902