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Media type:
E-Article
Title:
Artificial Interspecific Hybridization among Ambystoma
Contributor:
Nelson, Craig E.;
Humphrey, R. R.
imprint:
Herpetologists' League, 1972
Published in:Herpetologica
Language:
English
ISSN:
0018-0831;
1938-5099
Origination:
Footnote:
Description:
<p>Information from 17 interspecific hybrid combinations is now available. The thicker jelly of the eggs of some species may prevent or retard fertilization by sperm of other species. Genetic compatibility ranges from uniform failure at blastula to nearly normal viability and fertility in the F<sub>1</sub>and backcross generations. There is no obvious correlation of the levels of genetic compatibility and the presently assigned levels of taxonomic distinctness.</p>