The role of sex chromosomes in black fly evolution.

R. M. Feraday, K. G. Leonhardt, C. L. Brockhouse

Research output: Contribution to journalReview article

6 Scopus citations

Abstract

Sex chromosomes have been repeatedly implicated in the process of speciation of black flies and other nemotocerans. Arguments are presented here against the case that frequent differences between species in their sex chromosomes are based on (i) different average rates of differentiation of sex-linked and autosomal loci or (ii) the fact that the X and Y chromosomes are less numerous than autosomal chromosomes and so are more subject to the effects of drift and the random fixation of chromosome rearrangements. The argument is made that speciation in black flies and many other groups is an adaptive process and that differentiated sex-chromosome systems play a role in this process.

Original languageEnglish (US)
Pages (from-to)538-542
Number of pages5
JournalGenome / National Research Council Canada = Génome / Conseil national de recherches Canada
Volume32
Issue number4
DOIs
StatePublished - Aug 1989
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Molecular Biology
  • Genetics

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