Answer:
The simplest procedure is to perform a cross test with wrinkled pea plant. If winked pea trait appears in the offspring then it shows that the new plant's genotype is Rr.
Answer: a simple test crossing with a wrinkled pea
Explanation:
To detect the underlying genotype of an organism with a dominant phenotype specifically, TEST CROSSING a type of breeding analysis is done. The test cross is one of fundamental tool used and devised by Gregor Mendel.