Embryology and Genetics

Contents : Introduction. 2. Development and genetics. 3. The egg and the spermatozoon. 4. Cleavage of the egg. 5. Gastrulation. 6. Half and whole embryos. 7. The development of egg fragments. 8. Single embryo from two eggs. 9. Twins and twinning. 10. Multiple chromosome types. 11. Protoplasm and genes. 12. Larval and foetal types. 13. Parthenogenesis. 14. Regeneration. 15. Localization and induction. 16. The determination of sex. 17. Physiological embryology. Reference. Index.