transfer of individual bivalent chromosomes to untreated oocytes at different stages of maturation and to cytoplasts derived from oocytes anucleated prior to gvb demonstrated the necessity of chromosomes for cytoplasmic and plasma membrane differentiation , and that the capacity of the cytoplasm and plasma membrane to differentiate in response to the presence of a chromosome is acquired prior to gvb .
C0010834
cytoplasm
C0007603
plasma membrane