what is the phenotype of F1 plants in a monohybrid cross Share with your friends Share 0 Jigyasa answered this All members of the F1generation are heterozygous and share the same dominant trait. 2 View Full Answer Anish Agrawal answered this Dominant trait is expressed 0 Om Shri Prasath answered this All are same, thus we cannot create any ratio. 1 Sagar Patel answered this All plants expressed are dominant and they are not true breeding. 1 Yash Shimpi answered this aal plants expressed are dominant and they are not of the true breeding 0