the dna values of the different nuclei indicate that dna replication of both types of sperm nuclei is synchronous , whereas it probably is not synchronous in vegetative and sperm nuclei respectively.in the discussion it is pointed out that a survey of the literature shows that in all of the plant species having binucleate or trinucleate pollen dna replication of generative and of sperm nuclei has started at the time of pollen grain maturation .
C0012854
dna
C0598312
dna replication