cleavage of zygote forms 2 blastomeres and is also cleavage with no cytoplasm synthesis.
Links: Fertilization | Carnegie stage 1Ĭlick Here to play on mobile device | Mouse Zygote Movie page
Pronuclear Fusion and Parental Genomes MoviesĬonceptus - the term refers to all material derived from this fertilised zygote, includes both the embryo and the non-embryonic tissues (placenta, fetal membranes).