Journal
JOURNAL OF HEREDITY
Volume 101, Issue 3, Pages 374-377Publisher
OXFORD UNIV PRESS INC
DOI: 10.1093/jhered/esp129
Keywords
AFLPs; microsatellites; parthenogenesis; white-spotted; bamboo shark
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Funding
- Grainger Foundation
- Pritzker Foundation
- Marine Research Sub-Programme of the National Development Plan
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Facultative automictic parthenogenesis has only recently been confirmed in the most ancient jawed vertebrates, the chondrichthyan fishes (sharks, batoids, and chimeras). To date, however, in both documented cases, the females have only produced a single parthenogen offspring, and none of these have lived for more than 3 days. We present a genetically verified case of automictic parthenogenesis by a white-spotted bamboo shark (Chiloscyllium plagiosum), in which at least 2 parthenogens were produced and survived for 5 years or more. These findings demonstrate that some female sharks are capable of producing, multiple, viable offspring through parthenogenesis.
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