Biology, asked by Anonymous, 10 months ago

principle of inheritance....

Answers

Answered by rebeldeepu05

Answer:

Principle of inheritance:

John Gregor Mendel proposed that,

The process in which traits are passed from one generation to another generation is called "inheritance".

Answered by Anonymous

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ᴏᴜʀ ᴜɴᴅᴇʀsᴛᴀɴᴅɪɴɢ ᴏғ ʜᴏᴡ ɪɴʜᴇʀɪᴛᴇᴅ ᴛʀᴀɪᴛs ᴀʀᴇ ᴘᴀssᴇᴅ ʙᴇᴛᴡᴇᴇɴ ɢᴇɴᴇʀᴀᴛɪᴏɴs ᴄᴏᴍᴇs ғʀᴏᴍ ᴘʀɪɴᴄɪᴘʟᴇs ғɪʀsᴛ ᴘʀᴏᴘᴏsᴇᴅ ʙʏ ɢʀᴇɢᴏʀ ᴍᴇɴᴅᴇʟ ɪɴ 1866. ᴍᴇɴᴅᴇʟ ᴡᴏʀᴋᴇᴅ ᴏɴ ᴘᴇᴀ ᴘʟᴀɴᴛs, ʙᴜᴛ ʜɪs ᴘʀɪɴᴄɪᴘʟᴇs ᴀᴘᴘʟʏ ᴛᴏ ᴛʀᴀɪᴛs ɪɴ ᴘʟᴀɴᴛs ᴀɴᴅ ᴀɴɪᴍᴀʟs – ᴛʜᴇʏ ᴄᴀɴ ᴇxᴘʟᴀɪɴ ʜᴏᴡ ᴡᴇ ɪɴʜᴇʀɪᴛ ᴏᴜʀ ᴇʏᴇ ᴄᴏʟᴏᴜʀ, ʜᴀɪʀ ᴄᴏʟᴏᴜʀ ᴀɴᴅ ᴇᴠᴇɴ ᴛᴏɴɢᴜᴇ-ʀᴏʟʟɪɴɢ ᴀʙɪʟɪᴛʏ.

ɪɴʜᴇʀɪᴛᴀɴᴄᴇ ɪɴ ᴘᴇᴀ ᴘʟᴀɴᴛs

ᴍᴇɴᴅᴇʟ ғᴏʟʟᴏᴡᴇᴅ ᴛʜᴇ ɪɴʜᴇʀɪᴛᴀɴᴄᴇ ᴏғ 7 ᴛʀᴀɪᴛs ɪɴ ᴘᴇᴀ ᴘʟᴀɴᴛs (ᴘɪsᴜᴍ sᴀᴛɪᴠᴜᴍ). ʜᴇ ᴄʜᴏsᴇ ᴛʀᴀɪᴛs ᴛʜᴀᴛ ʜᴀᴅ 2 ғᴏʀᴍs:

ᴘᴇᴀ sʜᴀᴘᴇ (ʀᴏᴜɴᴅ ᴏʀ ᴡʀɪɴᴋʟᴇᴅ)
ᴘᴇᴀ ᴄᴏʟᴏᴜʀ (ʏᴇʟʟᴏᴡ ᴏʀ ɢʀᴇᴇɴ)
ғʟᴏᴡᴇʀ ᴄᴏʟᴏᴜʀ (ᴘᴜʀᴘʟᴇ ᴏʀ ᴡʜɪᴛᴇ)
ғʟᴏᴡᴇʀ ᴘᴏsɪᴛɪᴏɴ (ᴛᴇʀᴍɪɴᴀʟ ᴏʀ ᴀxɪᴀʟ)
ᴘʟᴀɴᴛ ʜᴇɪɢʜᴛ (ᴛᴀʟʟ ᴏʀ sʜᴏʀᴛ)
ᴘᴏᴅ sʜᴀᴘᴇ (ɪɴғʟᴀᴛᴇᴅ ᴏʀ ᴄᴏɴsᴛʀɪᴄᴛᴇᴅ)
ᴘᴏᴅ ᴄᴏʟᴏᴜʀ (ʏᴇʟʟᴏᴡ ᴏʀ ɢʀᴇᴇɴ).
ᴍᴇɴᴅᴇʟ ʙᴇɢᴀɴ ᴡɪᴛʜ ᴘᴜʀᴇ-ʙʀᴇᴇᴅɪɴɢ ᴘᴇᴀ ᴘʟᴀɴᴛs ʙᴇᴄᴀᴜsᴇ ᴛʜᴇʏ ᴀʟᴡᴀʏs ᴘʀᴏᴅᴜᴄᴇᴅ ᴘʀᴏɢᴇɴʏ ᴡɪᴛʜ ᴛʜᴇ sᴀᴍᴇ ᴄʜᴀʀᴀᴄᴛᴇʀɪsᴛɪᴄs ᴀs ᴛʜᴇ ᴘᴀʀᴇɴᴛ ᴘʟᴀɴᴛ. ᴍᴇɴᴅᴇʟ ᴄʀᴏss-ʙʀᴇᴅ ᴛʜᴇsᴇ ᴘᴇᴀ ᴘʟᴀɴᴛs ᴀɴᴅ ʀᴇᴄᴏʀᴅᴇᴅ ᴛʜᴇ ᴛʀᴀɪᴛs ᴏғ ᴛʜᴇɪʀ ᴘʀᴏɢᴇɴʏ ᴏᴠᴇʀ sᴇᴠᴇʀᴀʟ ɢᴇɴᴇʀᴀᴛɪᴏɴs.

ʀᴇᴀᴅ ᴍᴏʀᴇ ᴀʙᴏᴜᴛ ᴍᴇɴᴅᴇʟ’s ᴇxᴘᴇʀɪᴍᴇɴᴛs.

ᴍᴇɴᴅᴇʟ’s ᴘʀɪɴᴄɪᴘʟᴇs ᴏғ ɪɴʜᴇʀɪᴛᴀɴᴄᴇ

ᴋᴇʏ ᴘʀɪɴᴄɪᴘʟᴇs ᴏғ ɢᴇɴᴇᴛɪᴄs ᴡᴇʀᴇ ᴅᴇᴠᴇʟᴏᴘᴇᴅ ғʀᴏᴍ ᴍᴇɴᴅᴇʟ’s sᴛᴜᴅɪᴇs ᴏɴ ᴘᴇᴀs.

1. ғᴜɴᴅᴀᴍᴇɴᴛᴀʟ ᴛʜᴇᴏʀʏ ᴏғ ʜᴇʀᴇᴅɪᴛʏ

ɪɴʜᴇʀɪᴛᴀɴᴄᴇ ɪɴᴠᴏʟᴠᴇs ᴛʜᴇ ᴘᴀssɪɴɢ ᴏғ ᴅɪsᴄʀᴇᴛᴇ ᴜɴɪᴛs ᴏғ ɪɴʜᴇʀɪᴛᴀɴᴄᴇ, ᴏʀ ɢᴇɴᴇs, ғʀᴏᴍ ᴘᴀʀᴇɴᴛs ᴛᴏ ᴏғғsᴘʀɪɴɢ.

ᴍᴇɴᴅᴇʟ ғᴏᴜɴᴅ ᴛʜᴀᴛ ᴘᴀɪʀᴇᴅ ᴘᴇᴀ ᴛʀᴀɪᴛs ᴡᴇʀᴇ ᴇɪᴛʜᴇʀ ᴅᴏᴍɪɴᴀɴᴛ ᴏʀ ʀᴇᴄᴇssɪᴠᴇ. ᴡʜᴇɴ ᴘᴜʀᴇ-ʙʀᴇᴅ ᴘᴀʀᴇɴᴛ ᴘʟᴀɴᴛs ᴡᴇʀᴇ ᴄʀᴏss-ʙʀᴇᴅ, ᴅᴏᴍɪɴᴀɴᴛ ᴛʀᴀɪᴛs ᴡᴇʀᴇ ᴀʟᴡᴀʏs sᴇᴇɴ ɪɴ ᴛʜᴇ ᴘʀᴏɢᴇɴʏ, ᴡʜᴇʀᴇᴀs ʀᴇᴄᴇssɪᴠᴇ ᴛʀᴀɪᴛs ᴡᴇʀᴇ ʜɪᴅᴅᴇɴ ᴜɴᴛɪʟ ᴛʜᴇ ғɪʀsᴛ-ɢᴇɴᴇʀᴀᴛɪᴏɴ (ғ1) ʜʏʙʀɪᴅ ᴘʟᴀɴᴛs ᴡᴇʀᴇ ʟᴇғᴛ ᴛᴏ sᴇʟғ-ᴘᴏʟʟɪɴᴀᴛᴇ. ᴍᴇɴᴅᴇʟ ᴄᴏᴜɴᴛᴇᴅ ᴛʜᴇ ɴᴜᴍʙᴇʀ ᴏғ sᴇᴄᴏɴᴅ-ɢᴇɴᴇʀᴀᴛɪᴏɴ (ғ2) ᴘʀᴏɢᴇɴʏ ᴡɪᴛʜ ᴅᴏᴍɪɴᴀɴᴛ ᴏʀ ʀᴇᴄᴇssɪᴠᴇ ᴛʀᴀɪᴛs ᴀɴᴅ ғᴏᴜɴᴅ ᴀ 3:1 ʀᴀᴛɪᴏ ᴏғ ᴅᴏᴍɪɴᴀɴᴛ ᴛᴏ ʀᴇᴄᴇssɪᴠᴇ ᴛʀᴀɪᴛs. ʜᴇ ᴄᴏɴᴄʟᴜᴅᴇᴅ ᴛʜᴀᴛ ᴛʀᴀɪᴛs ᴡᴇʀᴇ ɴᴏᴛ ʙʟᴇɴᴅᴇᴅ ʙᴜᴛ ʀᴇᴍᴀɪɴᴇᴅ ᴅɪsᴛɪɴᴄᴛ ɪɴ sᴜʙsᴇϙᴜᴇɴᴛ ɢᴇɴᴇʀᴀᴛɪᴏɴs, ᴡʜɪᴄʜ ᴡᴀs ᴄᴏɴᴛʀᴀʀʏ ᴛᴏ sᴄɪᴇɴᴛɪғɪᴄ ᴏᴘɪɴɪᴏɴ ᴀᴛ ᴛʜᴇ ᴛɪᴍᴇ.

ᴍᴇɴᴅᴇʟ ᴅɪᴅɴ’ᴛ ᴋɴᴏᴡ ᴀʙᴏᴜᴛ ɢᴇɴᴇs ᴏʀ ᴅɪsᴄᴏᴠᴇʀ ɢᴇɴᴇs, ʙᴜᴛ ʜᴇ ᴅɪᴅ sᴘᴇᴄᴜʟᴀᴛᴇ ᴛʜᴀᴛ ᴛʜᴇʀᴇ ᴡᴇʀᴇ 2 ғᴀᴄᴛᴏʀs ғᴏʀ ᴇᴀᴄʜ ʙᴀsɪᴄ ᴛʀᴀɪᴛ ᴀɴᴅ ᴛʜᴀᴛ 1 ғᴀᴄᴛᴏʀ ᴡᴀs ɪɴʜᴇʀɪᴛᴇᴅ ғʀᴏᴍ ᴇᴀᴄʜ ᴘᴀʀᴇɴᴛ.

ᴡᴇ ɴᴏᴡ ᴋɴᴏᴡ ᴛʜᴀᴛ ᴍᴇɴᴅᴇʟ’s ɪɴʜᴇʀɪᴛᴀɴᴄᴇ ғᴀᴄᴛᴏʀs ᴀʀᴇ ɢᴇɴᴇs, ᴏʀ ᴍᴏʀᴇ sᴘᴇᴄɪғɪᴄᴀʟʟʏ ᴀʟʟᴇʟᴇs – ᴅɪғғᴇʀᴇɴᴛ ᴠᴀʀɪᴀɴᴛs ᴏғ ᴛʜᴇ sᴀᴍᴇ ɢᴇɴᴇ. ɪɴ ᴛᴏᴅᴀʏ’s ɢᴇɴᴇᴛɪᴄ ʟᴀɴɢᴜᴀɢᴇ, ᴀ ᴘᴜʀᴇ-ʙʀᴇᴇᴅɪɴɢ ᴘᴇᴀ ᴘʟᴀɴᴛ ʟɪɴᴇ ɪs ᴀ ʜᴏᴍᴏᴢʏɢᴏᴛᴇ – ɪᴛ ʜᴀs 2 ɪᴅᴇɴᴛɪᴄᴀʟ ᴄᴏᴘɪᴇs ᴏғ ᴛʜᴇ sᴀᴍᴇ ᴀʟʟᴇʟᴇ. ᴀɴ ғ1 ᴄʀᴏss-ʙʀᴇᴅ ᴘᴇᴀ ᴘʟᴀɴᴛ ɪs ᴀ ʜᴇᴛᴇʀᴏᴢʏɢᴏᴛᴇ – ɪᴛ ʜᴀs 2 ᴅɪғғᴇʀᴇɴᴛ ᴀʟʟᴇʟᴇs.

ɪɴʜᴇʀɪᴛᴀɴᴄᴇ ᴏғ ᴀ sɪɴɢʟᴇ ᴛʀᴀɪᴛ ɪɴ ᴘᴇᴀs

ᴍᴇɴᴅᴇʟ ғᴏʟʟᴏᴡᴇᴅ ᴛʜᴇ ɪɴʜᴇʀɪᴛᴀɴᴄᴇ ᴏғ 7 ᴘᴇᴀ ᴛʀᴀɪᴛs. ᴅᴏᴍɪɴᴀɴᴛ ᴛʀᴀɪᴛs, ʟɪᴋᴇ ʀᴏᴜɴᴅ ᴘᴇᴀs, ᴀᴘᴘᴇᴀʀᴇᴅ ɪɴ ᴛʜᴇ ғɪʀsᴛ-ɢᴇɴᴇʀᴀᴛɪᴏɴ ʜʏʙʀɪᴅs (ғ1), ᴡʜᴇʀᴇᴀs ʀᴇᴄᴇssɪᴠᴇ ᴛʀᴀɪᴛs, ʟɪᴋᴇ ᴡʀɪɴᴋʟᴇᴅ ᴘᴇᴀs, ᴡᴇʀᴇ ᴍᴀsᴋᴇᴅ. ʜᴏᴡᴇᴠᴇʀ, ʀᴇᴄᴇssɪᴠᴇ ᴛʀᴀɪᴛs ʀᴇᴀᴘᴘᴇᴀʀᴇᴅ ɪɴ ᴛʜᴇ sᴇᴄᴏɴᴅ ɢᴇɴᴇʀᴀᴛɪᴏɴ (ғ2). ᴇᴀᴄʜ ɪɴᴅɪᴠɪᴅᴜᴀʟ ᴄᴀʀʀɪᴇs ᴀ ᴘᴀɪʀ ᴏғ ғᴀᴄᴛᴏʀs ғᴏʀ ᴇᴀᴄʜ ᴛʀᴀɪᴛ, ᴀɴᴅ ᴛʜᴇʏ sᴇᴘᴀʀᴀᴛᴇ ғʀᴏᴍ ᴇᴀᴄʜ ᴏᴛʜᴇʀ ᴅᴜʀɪɴɢ ғᴇʀᴛɪʟɪsᴀᴛɪᴏɴ. ᴛʜɪs ɪs ᴛʜᴇ ʙᴀsɪs ᴏғ ᴍᴇɴᴅᴇʟ’s ᴘʀɪɴᴄɪᴘʟᴇ ᴏғ sᴇɢʀᴇɢᴀᴛɪᴏɴ.

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PLZZ MARK AS BRAINLIEST ♥️✌️....

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$<marquee direction = "right">hope it helps you♥️.$

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