heterochromosome

[ het-er-uh-kroh-muh-sohm ]
See synonyms for heterochromosome on Thesaurus.com
nounGenetics.

Origin of heterochromosome

1
First recorded in 1900–05; hetero- + chromosome

Words Nearby heterochromosome

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use heterochromosome in a sentence

  • The heterochromosome group is blended into a vacuolated sphere in growth stages (figs. 199, 200).

    Studies in Spermatogenesis | Nettie Maria Stevens
  • Figure 137 is an exceptional anaphase in which the heterochromosome elements are not mingled with the polar masses of chromatin.

    Studies in Spermatogenesis | Nettie Maria Stevens
  • The small heterochromosome divides in the second spindle in advance of the others as seen in figure 150.

    Studies in Spermatogenesis | Nettie Maria Stevens
  • Bouquet stage from iron-hæmatoxylin preparations, showing the heterochromosome bivalent (x).

    Studies in Spermatogenesis | Nettie Maria Stevens
  • Of the insects considered in this paper Aphis and Termopsis have no "accessory chromosome" or "heterochromosome" of any kind.

British Dictionary definitions for heterochromosome

heterochromosome

/ (ˌhɛtərəʊˈkrəʊməˌsəʊm) /


noun
  1. an atypical chromosome, esp a sex chromosome

  2. a chromosome composed mainly of heterochromatin

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