Alice McDermott

You have a good many little gifts and virtues, but there is no need of parading them, for conceit spoils the finest genius. There is not much danger that real talent or goodness will be overlooked long, and the great charm of all power is modesty.

What do cells do when they see a broken piece of DNA? Cells don't like such breaks. They'll do pretty much anything they can to fix things up. If a chromosome is broken, the cells will repair the break using an intact chromosome.