Principles of Inheritance and Variation Question 60
60. In a certain plant, red fruit (R) is dominant over yellow fruit ( $r$ ) and tallness (T) is dominant over shortness ( $t$ ).If a plant with RRTt genotype is crossed with a plant rrtt genotype, what will be the percentage of tall plants with red fruits in the progeny?
(a) $50 %$
(b) $100 %$
(c) $75 %$
(d) $25 %$
Show Answer
Answer : a
Hints & Solution
(a) Parent Gametes : Ratio $=1: 1$