Find information on the works of C. Baer. What patterns were found by him in the process of studying the development

Find information on the works of C. Baer. What patterns were found by him in the process of studying the development of chicken embryos and embryos of mammals?

Baer initiated the doctrine of the germinal leaf and formulated the law of germinal similarity. He proved that a person develops according to a single plan with other vertebrates.

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