heterotypic

[ het-er-uh-tip-ik ]

adjective

, Cell Biology.

1. of or relating to the first or reductional division in meiosis.

heterotypic

/ ˌhɛtərəʊˈtɪpɪk /

adjective

1. denoting or relating to the first nuclear division of meiosis, in which the chromosome number is halved Compare homeotypic

Word History and Origins

Origin of heterotypic¹

First recorded in 1885–90; hetero- + type ( def ) + -ic ( def )

Example Sentences

Riback and colleagues went on to show how heterotypic interactions are exploited by nucleoli to facilitate the processing of ribosomal RNA, which makes up part of the ribosome.

From Nature

The heterotypic maturation mitosis in Amphibia and its general significance.

From Project Gutenberg

Then when the heterotypic division takes place and the number of chromosomes is halved, we shall have two spermatocytes with N-1 chromosomes from one of the first spermatocytes and one with N and one with N-1 from the other.

From Project Gutenberg

It is evident that what Dr. Wilson means is that the sex-chromosome is unpaired, and that although it divides like the others in the homotypic division, in the heterotypic division it has no mate and so passes with half the number of chromosomes to one pole of the division spindle, while the other group of chromosomes has no sex-chromosome.

From Project Gutenberg

Thus each daughter-cell after the first or heterotypic division in normal cases contains 7 chromosomes.

From Project Gutenberg