| 释义 |
genonema, genoneme Biol.|dʒɛnəˈniːmə, ˈdʒɛnəniːm|
[f. gene1 + -o + Gr. νῆµα thread.]
= chromonema.
1934N. Koltzoff in Science LXXX. 313/1 The size of the chromosomes in the salivary glands is determined through the multiplication of genonemes. By this term I designate the axial thread of the chromosome, in which the geneticists locate the linear combination of genes; the cytologists call it generally the ‘axoneme’ or ‘chromonema’. 1937Ann. Reg. 1936 53 Chromosome study of plants tended to confirm the spiral chromonemata theory but giant salivary chromosomes seem to contain ring⁓shaped chromomeres connected by oblique genonemes. 1965L. C. Dunn Short Hist. Genetics xiii. 137 The logical next step, asking what kind of molecule composed the gene string (‘genonema’, a new term for chromosome). |