selectivepairing

2. In biology, when animals choose specific mates instead of mating randomly.

Selective pairing helps some birds find mates with the best songs.

3. In chemistry, when certain atoms or molecules join together in a preferred way.

Selective pairing of bases makes DNA copy itself correctly.

4. In computing, when a system links only specific devices or signals together.

Selective pairing keeps the headphones connected only to your phone.