Multiple choice

Which of the following repeated sequences includes an open reading frame for reverse transcriptase?

  1. LINE

  2. SINE

  3. Segmental duplications

  4. DNA transposons

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

LINE (L stands for long) is a small piece of foreign DNA that have been inserted into the chromosomes of a multicelled organism by foreign agents such as retroviruses. LINEs include an open reading frame for reverse transcriptase.