Principle Of Inheritance And Variation Question 566

Question: Tizo and Levan’s contribution is very significant because they [CBSE PMT 1993]

Options:

A) Gave the number of human chromosomes

B) Pointed out mutational changes

C) Identified Barr bodies

D) Detected sex linkage

Show Answer

Answer:

Correct Answer: A

Solution:

Tizo and Levan (plant cytologists) in 1956 enabled the human geneticists to ascertain the correct chromosome number.