embryology Embryology (from Greek ἔμβρυον, ''embryon'', "the unborn, embryo"; and -λογία, '' -logia'') is the branch of animal biology that studies the prenatal development of gametes (sex cells), fertilization, and development of embryos and ...

, sturt is a measure of distance. On the

fate map Fate mapping is a method used in developmental biology to study the embryonic origin of various adult tissues and structures. The "fate" of each cell or group of cells is mapped onto the embryo, showing which parts of the embryo will develop in ...

, the further apart two regions are, the more likely the resulting structures are to form different

genotype The genotype of an organism is its complete set of genetic material. Genotype can also be used to refer to the alleles or variants an individual carries in a particular gene or genetic location. The number of alleles an individual can have in a ...

s. A difference of 1% in the ratio of differing genotypes is described as one sturt, after Alfred Henry Sturtevant.

References

* Developmental biology {{developmental-biology-stub