Question

explanation of oocyte maturation in female zebra fish

Answer 1

Answer - - Cytoplasmic oocyte maturation involves the symine of proteins from nuclear and mitochondrial trascripts used by the oocyte during early embryonic development - Doctes collected for IVM are normally obtained at the germinal vesicle stage, a stage prior to the time when cytoplasmic maturation has occurred. - In Zebrafish fina maturation is marked by three periods, (1) Migration of the germinal vesicle toward the periphery of the oocyte. 2) Breakdown of the germinal vesicle CGVBD) 3) Formation of first polar body. - Finally ovulation occurs with the transition of the oocyte to a fertilizable egg. Symmtery breaking Animal contin oogo --> continue oogenesis 3 Diplotene Zygotene 10-15 um 50-70 um vegetal a Pachytene Diplotene 40 um 15-19 tum 30-L Diplotene Diplotene 20-um Reg. of Zebrafish courte.