MENDELIAN RATIO AND CHROMOSOMES 
Gametes 
q 
re) 
Oc 
Zygotes. 
OO OS 
CICMOIC 
@) © 
Oe OC 
Paternal grand-mother 
on paternal side. 
Maternal grand-mother 
on paternal side. 
Paternal grand-father 
on paternal side. 
Maternal grand-father 
on paternal side. 
Paternal grand-mother 
on maternal side. 
Maternal grand-mother 
on maternal side. 
Paternal grand-father 
on maternal side. 
Maternal grand-father 
on maternal side. 
Oe@o 
SO OS 
Diagram of Possible Combinations of Unequal Pair 
501 
