Principle Of Inheritance And Variation Question 251

Question: When experimenting with the factor of tallness in Pisum sativum, Mendel obtained the results 73.97% tall and 26.03% dwarf from one of the cross. This shows that the parents are

Options:

A) Hybrid tall and pure dwarf plant

B) Hybrid tall and pure tall plant

C) Hybrid tall and hybird tall plant

D) Pure tall and pure dwarf plant

Show Answer

Answer:

Correct Answer: C

Solution:

Tall and dwarf plants in the ratio of 3 : 1 are obtained only when the parents are hybrid tall.

Tt × Tt = TT, Tt, tT, tt = 3 : 1