Mendel study seven traits in P plants. What are the mono hybrid crosses he made it was between plant with round seeds and plants winkled seeds. What was the conclusion Mendel drew from the F1 generation of the cross? A. The dominant factor or allele is for round seeds. B. The dominant factor allele is for wrinkled seeds C. The factors or alleles for round seeds disappear completely from plants. D. The factors or alleles for wrinkled seeds disappear completely from the plants.