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What parts are persistent throughout the development of the embryo? Why are these present in all the stages?
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- What are the roles of the chorion and amnion in terrestrial vertebrate embryos?what is the process which involves in the self-destruction of cells in the developing embryo as shown in the disappearance of the embryo’s tail?How is an egg (oocyte) prepared during oogenesis for fertilization? Why is preparation essential to development?
- How is and egg (oocyte) prepared during oogensis for fertilization? Why is preparation essential to development?What parts are persistent throughout the development of the embryo? Why are these presentin all the stages? Please explain thoroughly, and if possible, avoid copy and pasting from previous answers.How do the somites, intermediate mesoderm, and lateral plate mesoderm contribute to embryonic development?
- what kind of division can perform normal growth and development for the embryo & why?After the eighth week of development an embryos is referred to as what?What generates the first differences among cells in an early embryo? And what controls the differentiation of all the various cell types as development proceeds?