it is shown by the study of the location of acentric fragments of chromosomes at metaphase and anaphase in the root cells of pea ( cultivar `` '' capital '' '' ) , in the cornea of rats ( strain wistar ) , in the bone marrow of mice ( strain balb ) , in the cultures of embryonic fibroblasts of mice ( strain c57b1 ) and of embryonic human fibroblasts that some fragments are situated outside the equatorial plates , while others are situated within the plane of the equatorial plate .
C0007634
cells
C0016030
fibroblas