‘PLATE 9 
EXPLANATION OF FIGURES 
Lateral views of first spermatocyte metaphases from individual 2525 
(aberrant) 
82 to 84 and 86 Complexes containing the supernumerary tetrad (S). 
85 Complex in which the two dyads (S) of the extra tetrad have failed to 
synapse or have divided prematurely in early prophase. 
87 to 90 Complexes with the normal number of chromosomes. 
91 and 92 Complexes with the extra dyad (unpaired supernumerary). 
