tetrasomen.
/ˈtɛtrəsəʊm/ Cytology.
A chromosome which is represented four times in a chromosomal complement; also, a tetrasomic individual.
ΘΚΠ
the world > life > biology > biological processes > genetic activity > genetic components > [noun] > chromosome > types of chromosome
chromoplastid1885
accessory chromosome1899
chromoplast1902
X1902
heterochromosome1904
idiochromosome1905
macrochromosome1905
allosome1906
autosome1906
monosome1906
sex chromosome1906
supernumerary1907
X chromosome1911
Y chromosome1911
univalent1912
euchromosome1914
W1917
monosome1921
tetrasome1921
trisome1921
heterosome1938
isochromosome1939
trisomic1939
metacentric1945
acrocentric1949
polycentric1953
Philadelphia chromosome1961
monocentric1979
1921 A. F. Blakeslee in Amer. Naturalist 55 259 The following terms are suggested to designate sets with numbers of chromosomes from 1 to 12: monosome, disome, trisome, tetrasome, pentasome, hexasome, heptasome, oktasome, enneasome, dekasome, hendekasome, dodekasome.
1944 Genetics 29 232 Through selfing of plants possessing these aberrations, the corresponding nullisomes and tetrasomes have been obtained.
1958 C. P. Swanson Cytol. & Cytogenetics vi. 192 Trisomes (6n + 1) and tetrasomes (6n + 2) have also been found..in T[riticum] vulgare.
1973 G. S. Khush Cytogenetics Aneuploids ix. 221 In wheat, a successful method was the test of the ability of a particular tetrasome to compensate for a particular nullisome.
This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2018).
<
n.1921