Determine which of the following statements about Robertsonian translocation is incorrect.

• A. It involves the fusion of two nonhomologous chromosomes.
• B. It is also called chromosome fusion.
• C. It is accompanied by loss of one of the centromeres and by the loss of a chromosome short (p) arm.
• D. The chromosomes involved in it are usually metacentric or submetacentric chromosomes.

Answer: (D)