Unique Incompatibility System in a Hybrid Species
- 5 October 1962
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 138 (3536) , 36-37
- https://doi.org/10.1126/science.138.3536.36
Abstract
All males of the weevil Pissodes terminalis Hopp. are heterozygous for an autosomal fusion (cc → C); all females are homozygous (CC). A mechanism is operative whereby union of like gametes gives rise to females and of unlike gametes gives rise to males, and union of half-alike gametes is totally excluded. The perpetuation of this sexual dimorphism of karyotypes following crossing implicates P. yosemite Hopk. in the hybrid origin of P. terminalis..Keywords
This publication has 2 references indexed in Scilit:
- Occurrence of Pissodes terminalis Hopp. (Coleoptera: Curculionidae) in Canada: Life History, Behaviour, and Cytogenetic IdentificationThe Canadian Entomologist, 1963
- Cytogenetic Pathways in Beetle SpeciationThe Canadian Entomologist, 1962