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Hello!
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❖ The correct answer choice is change in chromosomes.
This change in chromosomes is also known as mutation when a code in the chromosomes is changed permanently. When mutation is caused, things change.
~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡
~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ