Question

how does variations occurred in organisms ?
explain in your own words ​

Answer 1

$\huge\colorbox{blue}{♛ᴀɴsᴡᴇʀ♛࿐}$

ɢᴇɴᴇᴛɪᴄ ᴠᴀʀɪᴀᴛɪᴏɴ ᴄᴀɴ ʙᴇ ᴄᴀᴜsᴇᴅ ʙʏ ᴍᴜᴛᴀᴛɪᴏɴ (ᴡʜɪᴄʜ ᴄᴀɴ ᴄʀᴇᴀᴛᴇ ᴇɴᴛɪʀᴇʟʏ ɴᴇᴡ ᴀʟʟᴇʟᴇs ɪɴ ᴀ ᴘᴏᴘᴜʟᴀᴛɪᴏɴ), ʀᴀɴᴅᴏᴍ ᴍᴀᴛɪɴɢ, ʀᴀɴᴅᴏᴍ ғᴇʀᴛɪʟɪᴢᴀᴛɪᴏɴ, ᴀɴᴅ ʀᴇᴄᴏᴍʙɪɴᴀᴛɪᴏɴ ʙᴇᴛᴡᴇᴇɴ ʜᴏᴍᴏʟᴏɢᴏᴜs ᴄʜʀᴏᴍᴏsᴏᴍᴇs ᴅᴜʀɪɴɢ ᴍᴇɪᴏsɪs (ᴡʜɪᴄʜ ʀᴇsʜᴜғғʟᴇs ᴀʟʟᴇʟᴇs ᴡɪᴛʜɪɴ ᴀɴ ᴏʀɢᴀɴɪsᴍ's ᴏғғsᴘʀɪɴɢ).