When Murphy compared the genes turned off and on in oocytes and body cells of the same worm, however, she saw that two completely different sets of
genes controlled oocyte and body - cell aging in C. elegans.
Not exact matches
Somehow, scientists know, the
genes that
control development — generally turned off in adult cells — get turned back on again by the
oocyte, enabling the cell to take on the youthful potential of a newly fertilized egg.
Oocyte methylation is particularly involved in the
control of parent - specific expression of imprinted
genes.