structure of DNA , molecular basis of inheritance class 12th biology

[@shivamxerox3019]

thanks a lot

[@KajalGupta-rw6vw]

👌👍👍👏👌😊

[@aishashah6634]

Thanks sir ji🎉

[@sayyeshakumari1431]

Waah waah baht aacha

[@knowlwdgetimes3092]

Dna clear...👍