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Meiosis in Species Hybrids

  • Bernard John
  • Kenneth R. Lewis
Part of the Protoplasmatologia book series (PROTOPLASMATOL., volume 6 / F / 1)

Abstract

Species are differentiated to different degrees and in different ways. These include differences in gene frequency or type, chromosome morphology, chromosome number or various combinations of these. Consequently when species are crossed, either in nature or by experiment, the course of meiosis will be variably affected. Most species which produce hybrids with regular meiotic pairing and normal fertility appear to be differentiated primarily by genic factors. On the other hand most hybrids derived from parents differing in chromosome structure or number are at least partially sterile (Table 55).

Keywords

Pericentric Inversion Species Hybrid Chiasma Frequency Meiotic Behaviour Lampbrush Chromosome 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag/Wien 1965

Authors and Affiliations

  • Bernard John
    • 1
  • Kenneth R. Lewis
    • 2
  1. 1.Department of GeneticsThe UniversityBirminghamEngland
  2. 2.Botany SchoolThe UniversityOxfordEngland

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