Video narration
DNA ko alag karne se pehle koshika ko aakhir kya taiyar karna padta hai? Sochiye, ek lamba dheela dhaaga aage le jana ho, to pehle use sametkar saghan bundle banate hain. Koshika bhi yahi karti hai. Prophase, yani mitosis ka pehla pramukh charan, vah samay hai jab dheela DNA kundalit hokar dikhai dene wale chromosome mein badalta hai. Dhyan rahe, koi naya DNA nahin ban raha; vahi DNA bas vyavasthit aur sambhalne layak roop le raha hai. Saath hi, spindle banna shuru hota hai - yah vah vyavastha hai jo aage chromosomes ko kheenchegi. Nabhik ki seema bhi tootne lagti hai; kuch ise der ka prophase kehti hain, kuch prometaphase. Naam alag ho sakta hai, taiyari vahi hai. Aur yahi mod hai: prophase mein chromosomes alag nahin hote. Alagav baad mein hota hai. To pehle kya hota hai? Koshika DNA ko drishya chromosomes mein pack karti hai aur chalane ki taiyari karti hai.