Principle Of Inheritance And Variation Question 236
Question: If dwarf pea plant was treated with Gibberellic acid, it grew as tall as the pure tall pea plant. If this treated plant is crossed with a pure tall plant then the phenotypic ratio of is likely to be [AIIMS 1980; BCECE 2005]
Options:
A) All dwarf
B) 50% dwarf 50% tall
C) 75% tall 25% dwarf
D) All tall
Show Answer
Answer:
Correct Answer: D
Solution:
All plants of F1 generation are tall because gibberellic acid treated plant is genetically dwarf and behave like recessive individual and other one is dominant tall, thus according to Mendel’s dominance law all plants of F1 are tall.
BETA
