Snails, Flowers, and Nematodes: Different Mechanisms for Similar Patters of Specification
Sturtevant and the genetics of snail coiling
By a masterful thought experiment, Sturtevant demonstrated the power of applying genetics to embryology. To do this, he applied Mendelian genetics to the study of snail coiling.
Original paper:
Sturtevant, A. H. 1923. Inheritance of direction of coiling in Limnaea. Science, New Series, 58: 269–270.
Link:
http://www.esp.org/foundations/genetics/classical/holdings/s/ahs-23a.pdf
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