explain how a substitution mutation results in the change in the amino acid sequence of a polypeptide
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sɪʟᴇɴᴛ sᴜʙsᴛɪᴛᴜᴛɪᴏɴ.
ᴛʜᴇ ᴍᴜᴛᴀᴛɪᴏɴ ᴄʜᴀɴɢᴇs ᴏɴᴇ ᴄᴏᴅᴏɴ ғᴏʀ ᴀɴ ᴀᴍɪɴᴏ ᴀᴄɪᴅ ɪɴᴛᴏ ᴀɴᴏᴛʜᴇʀ ᴄᴏᴅᴏɴ ғᴏʀ ᴛʜᴀᴛ sᴀᴍᴇ ᴀᴍɪɴᴏ ᴀᴄɪᴅ. ᴛʜᴇ ᴄᴏᴅᴏɴ ғᴏʀ ᴏɴᴇ ᴀᴍɪɴᴏ ᴀᴄɪᴅ ɪs ʀᴇᴘʟᴀᴄᴇᴅ ʙʏ ᴀ ᴛʀᴀɴsʟᴀᴛɪᴏɴ-ᴛᴇʀᴍɪɴᴀᴛɪᴏɴ (sᴛᴏᴘ) ᴄᴏᴅᴏɴ. sɪʟᴇɴᴛ sᴜʙsᴛɪᴛᴜᴛɪᴏɴs ɴᴇᴠᴇʀ ᴀʟᴛᴇʀ ᴛʜᴇ ᴀᴍɪɴᴏ ᴀᴄɪᴅ sᴇǫᴜᴇɴᴄᴇ ᴏғ ᴛʜᴇ ᴘᴏʟʏᴘᴇᴘᴛɪᴅᴇ ᴄʜᴀɪɴ.
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