| 释义 |
tetrasome Cytology.|ˈtɛtrəsəʊm|
[f. tetra- + -some4.]
A chromosome which is represented four times in a chromosomal complement; also, a tetrasomic individual.
1921[see hexasome s.v. hexa-]. 1944Genetics XXIX. 232 Through selfing of plants possessing these aberrations, the corresponding nullisomes and tetrasomes have been obtained. 1958C. P. Swanson Cytol. & Cytogenetics vi. 192 Trisomes (6n + 1) and tetrasomes (6n + 2) have also been found..in T[riticum] vulgare. 1973[see nullisome]. |