Homologous LINE and SINE elements in close proximity on the same chromosome can increase the rate of
A) unequal crossing over.
B) duplications.
C) mutations.
D) deletions.
E) both unequal crossing over and duplications.

Question

Quizplus · Accepted Answer

Homologous LINE and SINE elements in close proximity on the same chromosome can lead to unequal crossing over and result in duplications. Unequal crossing over occurs when homologous chromosomes misalign during meiosis, causing some regions to be duplicated on one chromosome and deleted on the other. In the presence of homologous LINE and SINE elements, this process is more likely to occur, resulting in both unequal crossing over and duplications. Mutations and deletions may also result from this process, but they are not the primary effects of homologous LINE and SINE elements in close proximity.

Homologous LINE and SINE Elements in Close Proximity on the Same