since there is no meiotic recombination in d. melanogaster males and since meiotic recombination in the female does not occur in heterochromatin , our results provide a minimum estimate of the in vivo frequency of sce in c-banded heterochromatin ( which is predominantly simple sequence dna ) , without the usual complications of substituted base analogs , incorporated radioactive label or substantial genetic content. -- we emphasise that : ( a ) satellite dna is not implicated in any major way in recognition processes such as meiotic homologue recognition or chromocenter formation in salivaries , ( b ) there is likely to be continuous variation in the amount of satellite dna between individuals of a species ;
C0012854
dna
C0012934
satellite dna