Hello student,

DNA or deoxyribonucleicacid is the main hereditary material or the genetic maaterial that is present in our cells. DNA is more stable than RNA and have double stranded structure. There is presence of deoxyribose sugar. Thymine is present as a nitrogenous base in DNA.

TYPES OF DNA :

There are three types of DNA that are listed below -

• A-DNA
• B-DNA
• Z-DNA

Good luck and thank you!