Question

what are the different ways in which individuals with a particular trait may increase in a population?​

Answer 1

What are the different ways in which individual with a particular trait may increase in a population?

❶❭ Natural Selections:

The trait it carries has a survival value & is being selected by natural selection generation after generation.

❷❭ Genetics Drift:

That trait is fixed by chance.

Answer 2

ɦεɾε เร µɾ αɳรωεɾ-⏬⏬

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ᴛʜᴇ ᴅɪғғᴇʀᴇɴᴛ ᴡᴀʏs ɪɴ ᴡʜɪᴄʜ ɪɴᴅɪᴠɪᴅᴜᴀʟs ᴡɪᴛʜ ᴀ ᴘᴀʀᴛɪᴄᴜʟᴀʀ ᴛʀᴀɪᴛ ᴍᴀʏ ɪɴᴄʀᴇᴀsᴇ ɪɴ ᴀ ᴘᴏᴘᴜʟᴀᴛɪᴏɴ, ᴀʀᴇ :

(ɪ) ʙʏ ɴᴀᴛᴜʀᴀʟ sᴇʟᴇᴄᴛɪᴏɴ – ᴏʀɢᴀɴɪsᴍs ᴡɪᴛʜ ᴀ ᴘᴀʀᴛɪᴄᴜʟᴀʀ ᴛʀᴀɪᴛ ᴍᴀʏ ʙᴇ ɴᴀᴛᴜʀᴀʟʟʏ sᴇʟᴇᴄᴛᴇᴅ ʙᴇᴄᴀᴜsᴇ ɪᴛ ᴘʀᴏᴠɪᴅᴇᴅ ᴀ sᴜʀᴠɪᴠᴀʟ ᴀᴅᴠᴀɴᴛᴀɢᴇ. ᴛʜᴀᴛ ᴘᴀʀᴛɪᴄᴜʟᴀʀ ᴛʀᴀɪᴛ ᴍᴀʏ ᴛʜᴜs ɪɴᴄʀᴇᴀsᴇ ɪɴ ᴛʜᴇ ᴘᴏᴘᴜʟᴀᴛɪᴏɴ. ɪᴛ ᴍᴀʏ ᴅɪʀᴇᴄᴛ ᴇᴠᴏʟᴜᴛɪᴏɴ ᴏғ sᴘᴇᴄɪᴇs ᴘᴏᴘᴜʟᴀᴛɪᴏɴ ʙʏ ᴀᴅᴀᴘᴛᴀᴛɪᴏɴs ᴛᴏ ғɪᴛ ᴛʜᴇɪʀ ᴇɴᴠɪʀᴏɴᴍᴇɴᴛ ʙᴇᴛᴛᴇʀ.

(ɪɪ) ɢᴇɴᴇᴛɪᴄ ᴅʀɪғᴛ & ɪɴʜᴇʀɪᴛᴀɴᴄᴇ – ᴀɴ ᴀᴄᴄɪᴅᴇɴᴛ ɪɴ sᴍᴀʟʟ ᴘᴏᴘᴜʟᴀᴛɪᴏɴs ᴍᴀʏ ʀᴇsᴜʟᴛ ɪɴ sᴜʀᴠɪᴠɪɴɢ ᴏғ ᴏʀɢᴀɴɪsᴍs ᴡɪᴛʜ ᴀ ᴘᴀʀᴛɪᴄᴜʟᴀʀ ᴠᴀʀɪᴀɴᴛ ᴏɴʟʏ. ᴛʜɪs ᴄᴀɴ ɪɴᴄʀᴇᴀsᴇ ᴛʜᴇ ғʀᴇϙᴜᴇɴᴄʏ ᴏғ sᴏᴍᴇ ɢᴇɴᴇs ɪɴ ᴛʜᴀᴛ ᴘᴏᴘᴜʟᴀᴛɪᴏɴ, ᴇᴠᴇɴ ɪғ ᴛʜᴇʏ ɢɪᴠᴇ ɴᴏ sᴜʀᴠɪᴠᴀʟ ᴀᴅᴠᴀɴᴛᴀɢᴇ. ᴛʜɪs ɪs ᴛʜᴇ ɴᴏᴛɪᴏɴ ᴏғ ɢᴇɴᴇᴛɪᴄ ᴅʀɪғᴛ, ᴡʜɪᴄʜ ᴘʀᴏᴠɪᴅᴇs ᴅɪᴠᴇʀsɪᴛʏ ᴡɪᴛʜᴏᴜᴛ ᴀɴʏ ᴀᴅᴀᴘᴛᴀᴛɪᴏɴs.

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