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 $=1: 1$