Monohybrid crosses Knowledge-Based Download PDF

Questions

1. 1.

   In garden peas, the allele for round seeds (R) is dominant over the allele for wrinkled seeds (r). What is the expected phenotypic ratio among the offspring resulting from a cross between two heterozygous (Rr) plants?

   • A) 3 round : 1 wrinkled
   • B) 1 round : 1 wrinkled
   • C) 1 round : 3 wrinkled
   • D) 1 round : 2 intermediate : 1 wrinkled