dicentricadj.n.

/dʌɪˈsɛntrɪk/

Etymology: < di- comb. form + -centric comb. form.

Biology.

Of a chromosome or chromatid: having two centromeres. Hence as n., a dicentric chromosome or chromatid.

ΚΠ

1937 C. D. Darlington in Nature 30 Oct. 760/2 When the bivalent..attempts to divide, the ‘dicentric’ chromatid forms a bridge between the daughter nuclei, and the ‘acentric’ one incapable of movement, is lost.

1956 Nature 18 Feb. 325/1 Breakage of chromosomes is followed by reunion to give dicentrics.

1970 Nature 15 Aug. 707/2 Chromosome fragments and structural abnormalities (for example, dicentrics and acentrics) were rare.

This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2018).

单词	dicentric
释义	dicentricadj.n. /dʌɪˈsɛntrɪk/ Etymology: < di- comb. form + -centric comb. form. Biology. Of a chromosome or chromatid: having two centromeres. Hence as n., a dicentric chromosome or chromatid. ΚΠ 1937 C. D. Darlington in Nature 30 Oct. 760/2 When the bivalent..attempts to divide, the ‘dicentric’ chromatid forms a bridge between the daughter nuclei, and the ‘acentric’ one incapable of movement, is lost. 1956 Nature 18 Feb. 325/1 Breakage of chromosomes is followed by reunion to give dicentrics. 1970 Nature 15 Aug. 707/2 Chromosome fragments and structural abnormalities (for example, dicentrics and acentrics) were rare. This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2018). < adj.n.1937
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