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Chose the correct answer:
 
1. Two pea plants, one with round green seeds (RRyy) and the other with wrinkled yellow seeds (rrYY), produce F1 progeny with round and yellow (RrYy) seeds. When F1 plants are selfed, the F2 progeny will have a unique set of characteristics. Selects new character combinations-

i) Round yellow
ii) Wrinkled green
iii) Wrinkled yellow
iv) Round green

2. Plants of the F1 generation were allowed to perform _______pollination.