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NEET 2002
Exam
NEET
Year
2002
Subject
Botany
Chapter
Cell Cycle and Cell Division

NEET 2002 · Botany · Cell Cycle and Cell Division

Which of the following occurs more than one and less than five in a...

Which of the following occurs more than one and less than five in a chromosome?

Options

  1. AChromatid
  2. BChromomere
  3. CCentromere
  4. DTelomere

Correct answer

D. Telomere

Step-by-step solution

Each of the chromatids is capped with the telomere structure on either end of each arm. Therefore, a single chromosome in metaphase would have four total telomeres, two on each sister chromatid. Each chromosome consists of two chromatids and one centromere. Chromomeres form from the local coiling of a continuous DNA thread. There are more than 2000 chromomeres on 20 chromosomes of maize. Related Theory A telomere is the end of aa chromosome. Telomeres are made of repetitive sequences of non-coding DNA that protect the chromosome from damage. Each time a cell divides, the telomeres become shorter. In humans the telomere sequence is TTAGGG.
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