Consider the following statements regarding translocation and choose the correct answer:
1. In translocation, a segment of a chromosome becomes attached to a non-homologous chromosome
2. In reciprocal translocations, two non-homologous chromosomes exchange segments
3.There is no addition or loss of genes during translocations, only a rearrangement
4. Translocations are due to irregularities during crossing over

A. Only 1 is true

B. Only 2 and 3 are true

C. Only 3 and 4 are true

D. 1, 2, 3 and 4 are true

Answer: Option D