To sign the word DNA, use both hands to form the letter "D" and move them in a circular motion towards each other, overlapping at the bottom to form an…
To sign the word "proof," use the American Sign Language (ASL) gesture for the letter "P" by curling your fingers and placing your thumb over them. Then, move your hand…
To sign the word "copies," use your dominant hand to make a copying motion, similar to flicking your fingers down towards the palm of your non-dominant hand.