Hybridization generates a hopeful monster: a hermaphroditic selfing cichlid.

Abstract:

:Compared with other phylogenetic groups, self-fertilization (selfing) is exceedingly rare in vertebrates and is known to occur only in one small clade of fishes. Here we report observing one F1-hybrid individual that developed into a functional hermaphrodite after crossing two closely-related sexually reproducing species of cichlids. Microsatellite alleles segregated consistent with selfing and Mendelian inheritance and we could rule out different modes of parthenogenesis including automixis. We discuss why selfing is not more commonly observed in vertebrates in nature, and the role of hybridization in the evolution of novel traits.

journal_name

R Soc Open Sci

authors

Svensson O,Smith A,García-Alonso J,van Oosterhout C

doi

10.1098/rsos.150684

subject

Has Abstract

pub_date

2016-03-23 00:00:00

pages

150684

issue

3

issn

2054-5703

pii

rsos150684

journal_volume

3

pub_type

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