These were first seen in human cells in 1882; the exact number, 46, was determined in 1956
The exact timing 
of... [DOC] [TLE] Nucleosome organization in the Drosophila genome - NCBI [PAR] Apr 13, 2008 ... Drosophila embryos are composed of a wide variety of cell types in .... for a 
relatively small number of yeast or human nucleosomes, in which ... drop-off was 
seen when bulk nucleosomes were examined (Fig.