Question

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what is genetypes of F1 generation ?

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Answer 1

✍︎ ANSWER ✍︎

ᴛʜᴇ ᴘʜᴇɴᴏᴛʏᴘɪᴄ ʀᴀᴛɪᴏ ɪs 9:3:3:1 ᴡʜᴇʀᴇᴀs ᴛʜᴇ ɢᴇɴᴏᴛʏᴘɪᴄ ʀᴀᴛɪᴏ ɪs 1:2:1:2:4:2:1:2:1.

ғᴏʀ ᴇxᴀᴍᴘʟᴇ - ɪɴ ᴀ ᴄʀᴏss ʙᴇᴛᴡᴇᴇɴ ʀʀʏʏ (ʀᴏᴜɴᴅ ʏᴇʟʟᴏᴡ sᴇᴇᴅs ᴏғ ᴘᴇᴀ ᴘʟᴀɴᴛ) ᴀɴᴅ ʀʀʏʏ (ɢʀᴇᴇɴ ᴡʀɪɴᴋʟᴇᴅ sᴇᴇᴅs ᴏғ ᴘᴇᴀ ᴘʟᴀɴᴛ), ᴀʟʟ ғ1 ᴏғғsᴘʀɪɴɢ ᴡᴏᴜʟᴅ ʙᴇ ʀʀʏʏ ɪ.ᴇ. ʀᴏᴜɴᴅ ʏᴇʟʟᴏᴡ.

ɪɴ ғ2 ɢᴇɴᴇʀᴀᴛɪᴏɴ, ᴡᴇ ᴡɪʟʟ ɢᴇᴛ ᴛʜᴇ ғᴏʟʟᴏᴡɪɴɢ ᴄᴏᴍʙɪɴᴀᴛɪᴏɴ ᴏғ ɢᴀᴍᴇᴛᴇs - ʀʏ ʀʏ ʀʏ ʀʏ ʀʏ. ᴡʜᴇɴ ᴄʀᴏssᴇᴅ, ᴛʜᴇʏ ᴡᴏᴜʟᴅ ɢɪᴠᴇ ᴛʜᴇ ғᴏʟʟᴏᴡɪɴɢ ᴘᴏssɪʙʟᴇ ᴏғғsᴘʀɪɴɢ:

1 ʏʏʀʀ + 2 ʏʏʀʀ + 1 ʏʏʀʀ + 2ʏʏʀʀ + 4ʏʏʀʀ + 2 ʏʏʀʀ + 1ʏʏʀʀ + 2ʏʏʀʀ + 1ʏʏʀʀ

ᴛʜᴜs ᴛʜᴇ ɢᴇɴᴏᴛʏᴘᴇ ʀᴀᴛɪᴏ ɪs 1:2:1:2:4:2:1:2:1.

ᴛʜᴇ ᴘʜᴇɴᴏᴛʏᴘᴇ ʀᴀᴛɪᴏ ɪs 9:3:3:1.  ɪ.ᴇ. 9 ʀᴏᴜɴᴅ-ʏᴇʟʟᴏᴡ : 3 ᴡʀɪɴᴋʟᴇᴅ-ʏᴇʟʟᴏᴡ : 3 ʀᴏᴜɴᴅ-ɢʀᴇᴇɴ : 1 ᴡʀɪɴᴋʟᴇᴅ-ɢʀᴇᴇɴ ᴘᴇᴀ sᴇᴇᴅs.

⊰᯽⊱┈──╌❊╌──┈⊰᯽⊱

Answer 2

Answer:

The offspring of the RRYY x rryy cross, which is called the F1 generation, were all heterozygous plants with round, yellow seeds and the genotype RrYy.

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