MCQ Practice

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

Correct Answer: D