Question

What is self-incompatibility? Why does self-pollination not lead to seed formation in self-incompatible species?​

Answer 1

Explanation:

Hello...

self-incompatibility is a genetic mechanism in which pollen are prevented from fertilizing the ovules by inhibiting pollen germination or pollen tube growth in the pistil.

Self-pollination cannot lead to formation of seeds in self-incompatible species because in such flowers the pollens are unable to fertilize the ovule to form embryo and hence seeds.

@hardikrakholiya21

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Answer 2

Answer:

ꜱᴇʟꜰ-ɪɴᴄᴏᴍᴘᴀᴛɪʙɪʟɪᴛʏ ʀᴇꜰᴇʀꜱ ᴛᴏ ᴀ ɢᴇɴᴇᴛɪᴄᴀʟʟʏ ᴄᴏɴᴛʀᴏʟʟᴇᴅ ᴍᴇᴄʜᴀɴɪꜱᴍ ᴛʜᴀᴛ ᴘʀᴇᴠᴇɴᴛꜱ ꜱᴇʟꜰ-ᴘᴏʟʟɪɴᴀᴛɪᴏɴ ᴀɴᴅ ᴘʀᴏᴍᴏᴛᴇ ᴄʀᴏꜱꜱ-ᴘᴏʟʟɪɴᴀᴛɪᴏɴ ɪɴ ꜰʟᴏᴡᴇʀꜱ.ꜱᴇʟꜰ-ᴘᴏʟʟɪɴᴀᴛɪᴏɴ ᴄᴀɴɴᴏᴛ ʟᴇᴀᴅ ᴛᴏ ᴛʜᴇ ꜰᴏʀᴍᴀᴛɪᴏɴ ᴏꜰ ꜱᴇᴇᴅꜱ ɪɴ ᴀ ꜱᴇʟꜰ-ɪɴᴄᴏᴍᴘᴀᴛɪʙʟᴇ ꜱᴘᴇᴄɪᴇꜱ. ᴛʜɪꜱ ʜᴀᴘᴘᴇɴꜱ ʙᴇᴄᴀᴜꜱᴇ ᴛʜᴇ ᴘᴏʟʟᴇɴꜱ ᴀʀᴇ ᴜɴᴀʙʟᴇ ᴛᴏ ꜰᴇʀᴛɪʟɪᴢᴇ ᴛʜᴇ ᴏᴠᴜʟᴇꜱ ᴛʜᴀᴛ ᴡᴏᴜʟᴅ ᴅᴇᴠᴇʟᴏᴘ ɪɴᴛᴏ ᴀɴ ᴇᴍʙʀʏᴏ ᴀɴᴅ ʜᴇɴᴄᴇ ꜰᴏʀᴍ ꜱᴇᴇᴅꜱ.