DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell.
You are watching a horror movie. The music changes to the familiar tune you recognize as a prelude to. danger. You tense up, your heart rate increases, your breathing becomes shallow, your mouth is dry.
WPW syndrome can cause these problems with your childâs heartbeat: 1  Their heart beats too quickly (tachycardia, pronounced tack-ih-CARD-ee-ah). 2  Their heartbeat is irregular â the speed and pattern change. 3  They have palpitations.