Loss of DNA sequences at the ends of chromosomes in the ________ region may cause cell senescence.
A)centromere
B)telomere
C)mitotic
D)anticodon

Question

Quizplus · Accepted Answer

Telomeres are repetitive DNA sequences that cap the ends of chromosomes and protect them from degradation or fusion with neighbouring chromosomes. During cell division, a small portion of telomere repeat sequences is lost, until eventually the telomere becomes critically short, leading to cellular senescence or apoptosis.

Loss of DNA Sequences at the Ends of Chromosomes in the ________