As the embryo&#146;s cells divide, the genetic material within them, called DNA , instructs certain cells to specialize - that is become heart cells, lung cells, bone cells, brain cells, etc.
(s cells; divide; ) (the genetic material within them; called; DNA) (certain cells; to specialize; ) (the genetic material within them, called DNA; instructs; certain cells; to specialize) Context(the genetic material within them , called DNA instructs,List([35, 91))):(that; is become; heart cells, lung cells, bone cells, brain cells, etc.)
the genetic material within them , called DNA instructs,List([35, 91))
s cells the genetic material within them certain cells the genetic material within them, called DNA that
divide called to specialize instructs is become
DNA
certain cells to specialize
heart cells, lung cells, bone cells, brain cells, etc.