where and how are chromosomes formed? state their significance.
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ɪɴ ᴛʜᴇ ɴᴜᴄʟᴇᴜs ᴛʜᴇ ᴅɴᴀ ɪs ʟᴏᴏsᴇʟʏ ᴀʀʀᴀɴɢᴇᴅ ɪɴ ᴛʜᴇ ɴᴜᴄʟᴇᴜs ᴀɴᴅ ɪs ᴋɴᴏᴡɴ ᴀs ᴄʜʀᴏᴍᴀᴛɪɴ. ᴅᴜʀɪɴɢ ᴄᴇʟʟ ᴅɪᴠɪsɪᴏɴ, ᴛʜᴇ ᴄʜʀᴏᴍᴀᴛɪɴ ᴄᴏɪʟs ᴛɪɢʜᴛʟʏ ᴀʀᴏᴜɴᴅ ᴛʜᴇ ᴘʀᴏᴛᴇɪɴs ᴄᴀʟʟᴇᴅ ʜɪsᴛᴏɴᴇs ᴛᴏ ғᴏʀᴍ sᴛʀᴜᴄᴛᴜʀᴇs ᴄᴀʟʟᴇᴅ ɴᴜᴄʟᴇᴏsᴏᴍᴇs. ᴛʜᴇ ɴᴜᴄʟᴇᴏsᴏᴍᴇs sᴜᴘᴇʀ ᴄᴏɪʟ ᴛᴏ ғᴏʀᴍ ᴛʜᴇ ᴄᴏɴᴅᴇɴsᴇᴅ ᴅɴᴀ ᴋɴᴏᴡɴ ᴀs ᴄʜʀᴏᴍᴏsᴏᴍᴇs.
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