Nick

1. said of a mating that is likely to produce superior offspring.
2. slang for body condition; an animal in good body condition is said to be in good nick.
3. a break in a strand of nucleic acid.

A nick is a discontinuity in a double stranded DNA molecule where there is no phosphodiester bond between adjacent nucleotides of one strand typically through damage or enzyme action.

See also

• Phosphodiester bond

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