5. DNA treats certain illnesses. ____

1. DNA is the molecule that contains the genetic code of organisms.

2. Scientists study DNA for lots of reasons. It can help them understand and treat diseases, genetically modify or improve food, identify people from hair or blood samples and even create new life through technology like cloning.

3. Our DNA can help us understand a lot about ourselves and our health. For example, we can see if we might get certain health problems or illnesses, and we can change our lifestyles to avoid them.

1. DNA contains all the genetic details that make us what we are. It contains instructions for how our cells grow and work. So DNA is a kind of instruction book for how we look.

2. We get our hair and eye colour from the genetic information of our parents.

Hướng dẫn dịch:

2. Chúng ta có được màu tóc và màu mắt từ thông tin di truyền của cha mẹ.