Satellite DNAs in eukaryotes: A non-adaptive mechanism of speciation which originated with sexual reproduction?
- 1 September 1978
- journal article
- research article
- Published by Springer Nature in Cellular and Molecular Life Sciences
- Vol. 34 (9), 1141-1142
- https://doi.org/10.1007/bf01922918
Abstract
Satellite DNAs may have originated during evolution at the same time as sexual reproduction in order to suppress crossingover between the 2 heterogametic sex chromosomes, and may have acquired a function of sterility barriers in hybrid species during evolution. This origin of satellite DNAs appears to be reflected in different stages of speciation: partial and total heterogametic sex hybrid sterility and full hybrid sterility might correspond to subspecies, semispecies and full species.Keywords
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