Consider the following statements and choose the correct answer:
1. Since chromosomal aberrations result in a change in the organism, they are also called chromosomal mutation
2. Chromosomal aberrations are of four types deletion, duplication, inversion and translocation
3. If a single break occurs near the end of a chromosome, it results in an intercalary deletion
4. A deficiency involves loss of a chromosome section

A. Only 1, 2 and 3 are true

B. Only 2, 3 and 4 are true

C. Only 1, 3 and 4 are true

D. Only 1, 2 and 4 are true

Answer: Option D