Repetitive nucleotide sequences present at the ends of a chromosome that protect the chromosome from deterioration.
Note: In polymer sciences, an oligomer obtained by telomerization is often termed a telomer.
Source:
PAC, 2018, 90, 1121. 'Terminology of bioanalytical methods (IUPAC Recommendations 2018)' on page 1153 (https://doi.org/10.1515/pac-2016-1120)