what are chromosomes ? what is their important
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Chromosomes are thread-like structures in which DNA is tightly packaged within the nucleus. DNA is coiled around proteins called histones, which provide the structural support. Chromosomes help ensure that DNA is replicated and distributed appropriately during cell division.
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ᴄʜʀᴏᴍᴏsᴏᴍᴇs ᴀʀᴇ ᴛʜʀᴇᴀᴅ-ʟɪᴋᴇ sᴛʀᴜᴄᴛᴜʀᴇs ɪɴ ᴡʜɪᴄʜ ᴅɴᴀ ɪs ᴛɪɢʜᴛʟʏ ᴘᴀᴄᴋᴀɢᴇᴅ ᴡɪᴛʜɪɴ ᴛʜᴇ ɴᴜᴄʟᴇᴜs. ᴅɴᴀ ɪs ᴄᴏɪʟᴇᴅ ᴀʀᴏᴜɴᴅ ᴘʀᴏᴛᴇɪɴs ᴄᴀʟʟᴇᴅ ʜɪsᴛᴏɴᴇs, ᴡʜɪᴄʜ ᴘʀᴏᴠɪᴅᴇ ᴛʜᴇ sᴛʀᴜᴄᴛᴜʀᴀʟ sᴜᴘᴘᴏʀᴛ. ᴄʜʀᴏᴍᴏsᴏᴍᴇs ʜᴇʟᴘ ᴇɴsᴜʀᴇ ᴛʜᴀᴛ ᴅɴᴀ ɪs ʀᴇᴘʟɪᴄᴀᴛᴇᴅ ᴀɴᴅ ᴅɪsᴛʀɪʙᴜᴛᴇᴅ ᴀᴘᴘʀᴏᴘʀɪᴀᴛᴇʟʏ ᴅᴜʀɪɴɢ ᴄᴇʟʟ ᴅɪᴠɪsɪᴏɴ.
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