Snail King
Snail Kings are individual snails whose shell winds in the opposite direction to the standard for the specific snail species.[1][2] For instance, in the case of garden snails, snail kings feature sinistral helices instead of the more common dextral helices; this is referred to as 'situs inversus'[3]. Snail kings are very rare and, as they may occur after the mating of two dextral helix snails (with the offspring of these snails continuing to be sinistral), are considered to be a highly illustrative example that heredity patterns are not purely dominant-recessive.[4]. For garden snails, researchers estimate the occurrence frequency of snail kings at 1:40,000 individuals.[5]
References
- ↑ It’s a Lefty! Welcome to the World’s First Crispr Snail Baby, New York Times, 2019-05-24, retrieved 2022-05-28
- ↑ Schneckenkönig auf Partnersuche (in German), Austrian Broadcasting Corporation, ORF, 2020-06-03, retrieved 2021-08-19CS1 maint: Unrecognized language (link)
- ↑ Situs Inversus (in German), St.Galler Tagblatt, 2019-04-19, retrieved 2022-03-07CS1 maint: Unrecognized language (link)
- ↑ Sturtevant, Alfred Henry (1923-10-05), "Inheritance of Direction of Coiling in Limnaea", Science, American Association for the Advancement of Science, 58 (1501), pp. 269–270, Bibcode:1923Sci....58..269S, doi:10.1126/science.58.1501.269, PMID 17837785, retrieved 2021-08-19
- ↑ Angus Davison, Philippe Thomas (2020-06-03), "Internet 'shellebrity' reflects on origin of rare mirror-image snails", Biology Letters (in German), The Royal Society, 16 (6), doi:10.1098/rsbl.2020.0110, PMC 7336844 Check
|pmc=value (help), PMID 32486938 Check|pmid=value (help), retrieved 2021-08-19CS1 maint: Unrecognized language (link)
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