Q. In Mirabilis, a hybrid for red (RR) and white (rr) flower produces pink (Rr) flower. A plant with pink flower is crossed with white flower, the expected phenotypic ratio is
A) Red : pink : white(1 : 2 : 1)
B) Pink : white(1 : 1)
C) Red : pink (1 : 1)
D) Red : white (3 : 1)
Explanation
$Mirabilis\ jalapa\$ shows incomplete dominance. [image:5c_image17.jpeg] The ratio pink and white flowers will be 1 : 1.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.