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Gametic compatibility and the hybridization between sympatic Patiriella species (Echinodermata: Asteroidea) in New South Wales
| Content Provider | Scilit |
|---|---|
| Author | Byrne, Maria Anderson, Marti Jane |
| Copyright Year | 2020 |
| Description | Three species of the asteroid genus Patiriella occur sympatrically in New South Wales and the possibility for hybridization between them was examined through a series of cross-fertilization experiments. P. calcar and P. gunnii are morphologically distinct as adults, but indistinguishable as larvae. P. exigua is morphologically distinct in both its adult and larval morphologies. The gametes of P. calcar and P. gunnii are reciprocally compatible and crosses between these species produced viable hybrid juveniles. In crosses between female P. calcar and male P. gunnii, most of the juveniles metamorphosed with an arm number intermediate between that of the parents, whereas crosses between female P. gunnii and male P. calcar produced juveniles with an arm number more similar to the maternal phenotype. Heterospecific crosses with P. exigua resulted in low fertilization rates and hybrids were not produced. Book Name: Echinoderms through Time |
| Related Links | https://api.taylorfrancis.com/content/chapters/edit/download?identifierName=doi&identifierValue=10.1201/9781003077831-61&type=chapterpdf |
| Ending Page | 281 |
| Page Count | 1 |
| Starting Page | 281 |
| DOI | 10.1201/9781003077831-61 |
| Language | English |
| Publisher | Informa UK Limited |
| Publisher Date | 2020-11-24 |
| Access Restriction | Open |
| Subject Keyword | Book Name: Echinoderms Through Time Ornithology Adults Morphologically Patiriella Distinct Hybridization Viable Species |
| Content Type | Text |
| Resource Type | Chapter |
