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Answer variants:
9
YyRr
Phenotypic ratio
 
1. The gamete that produces in the F1 generation in a dihybrid cross is -
 
2 In the F2 generation of a dihybrid cross, each external appearance of seed ratio is 9:3:3:1. Hence it is called  -
3. As a result of the dihybrid cross, out of 16 combinations, how many round yellow plants are produced?  -