Posted: August 17th, 2017

If a tall pea plant having red coloured flowers are crossed, they produce four types of plants in the ratio of 9 : 3 : 3 : 1. The genotype of the parents are (Rred flowered ; T  tall) is

If a tall pea plant having red coloured flowers
are crossed, they produce four types of plants
in the ratio of 9 : 3 : 3 : 1. The genotype of the
parents are (Rred flowered ; T  tall) is
(A) RRTT  RRTT
(B) RrTT  RrTT
(C) RrTt  RrTt
(D) RRTt  RRTt