Question

Heredity variation in plants have been obtained through the use of

• A. X-rays or $\gamma$-rays
• B. 2,4 D
• C. DDT
• D. GA

Answer 1

Answer: (A)

X-rays or $\gamma$-rays

X-rays or $\gamma$-rays introduce genetic mutation by breaking chromosomes or altering the DNA base. These mutation in DNA are inherited to the progeny. Hence, option A is correct.