The free end of the eukaryotic chromosome is thought to form a unique DNA structure that allows for complete replication. This structure involves a G-rich repeating sequence and forms a:
A) replication fork.
B) large duplex loop.
C) supercoiled loop.
D) displacement loop
E) None of the above.

Question

Quizplus · Accepted Answer

The free end of the eukaryotic chromosome forms a large duplex loop known as a telomere loop or T-loop, which involves a G-rich repeating sequence. This structure helps protect the chromosome ends and allows for complete replication.

The Free End of the Eukaryotic Chromosome Is Thought to Form