Sturt (biology)

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In embryology, sturt is a measure of distance. On the fate map, the further apart two regions are, the more likely the resulting structures are to form different genotypes. A difference of 1% in the ratio of differing genotypes is described as one sturt, after Alfred Henry Sturtevant.


  • Slack, Jonathan Michael Wyndham (1983). From egg to embryo: determinative events in early development. Developmental and cell biology series 13. Cambridge University Press. p. 76. ISBN 0-521-27329-3.