The addition of extra copies of segments of DNA on the same strand by unequal crossing over during meiosis. An explanation for the existence of satellite DNA, which are highly-repeated, non-transcribed sequences of DNA with no clear function. An alternative explanation to saltatory replication.
Selected crossover fixation links:
© 1997-2006 Healthboard.com.
Healthboard.com is a purely
informational website, and should not be used as a substitute
for professional legal, medical or technical advice.