Robertsonian translocations result from which of the following?

A)Breaks occur at or near the centromeres of two acrocentric chromosomes followed by the reciprocal exchange of broken parts.
B)Two homologous chromosomes break and exchange parts.
C)Unequal crossing-over occurs during meiosis.
D)Two small chromosomes fuse end-to-end resulting in one chromosome with two centromeres.