How can two parents with only one round allele between them produce an F1 generation with 50/50 round peas?

H

Heartofnoir13

New member
How can two parents with only one round allele between them (1 out of 4 alleles) produce an F1 generation in which 50% of individuals have round seeds?

Is it because round is dominant more so than wrinkled and took over the 1 parents alle to make them produce round? I am confused can someone help!
 
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