Embryology
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Embryology is the branch of zoology that studies the prenatal development of gametes, fertilization and development of embryos and fetuses. Embryology includes teratology, the study of congenital diso
Human embryos by Leonardo da Vinci
Histological film 10-day mouse embryo
Evolutionary developmental biology, informally known as evo-devo, is a field of biological research that compares the developmental processes of different organisms to infer how developmental processe
Homologous Hox genes in such different animals as insects and vertebrates control embryonic development and hence the form of adult bodies. These genes have been highly conserved through hundreds of millions of years of evolution.
Turing's 1952 paper explained mathematically how patterns such as stripes and spots, as in the giant pufferfish, may arise, without molecular evidence.
A gene regulatory network
Heliconius erato