Mention two strategies evolved to prevent self-pollination In flowers.
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The strategies evolved to present
self- pollination in flowers are:
1)dichogamy- the maturation of anthers and stigma at different time in a bi-sexual flower which prevents self pollination.
2) self- incompatibility : The pollen grains of a flower are not capable of completing growth on the stigma of the same flower.
self- pollination in flowers are:
1)dichogamy- the maturation of anthers and stigma at different time in a bi-sexual flower which prevents self pollination.
2) self- incompatibility : The pollen grains of a flower are not capable of completing growth on the stigma of the same flower.
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Answer:
ᴛʜᴇʀᴇ ᴀʀᴇ ᴛᴡᴏ ꜱᴛʀᴀᴛᴇɢɪᴇꜱ ɪɴᴠᴏʟᴠᴇᴅ ɪɴ ᴘʀᴇᴠᴇɴᴛɪɴɢ ꜱᴇʟꜰ-ᴘᴏʟʟɪɴᴀᴛɪᴏɴ ɪɴ ꜰʟᴏᴡᴇʀꜱ:
ᴅɪᴄʜᴏɢᴀᴍʏ – ɪᴛ ʀᴇꜰᴇʀꜱ ᴛᴏ ᴛʜᴇ ᴘʀᴏᴅᴜᴄᴛɪᴏɴ ᴏꜰ ᴍᴀʟᴇ ᴀɴᴅ ꜰᴇᴍᴀʟᴇ ʀᴇᴘʀᴏᴅᴜᴄᴛɪᴠᴇ ᴏʀɢᴀɴꜱ ᴀᴛ ᴅɪꜰꜰᴇʀᴇɴᴛ ᴛɪᴍᴇꜱ ɪɴ ᴏʀᴅᴇʀ ᴛᴏ ᴘʀᴇᴠᴇɴᴛ ꜱᴇʟꜰ-ꜰᴇʀᴛɪʟɪᴢᴀᴛɪᴏɴ.
ꜱᴇʟꜰ-ɪɴᴄᴏᴍᴘᴀᴛɪʙɪʟɪᴛʏ – ɪᴛ ɪꜱ ᴀ ɢᴇɴᴇᴛɪᴄᴀʟʟʏ ᴄᴏɴᴛʀᴏʟʟᴇᴅ ᴍᴇᴄʜᴀɴɪꜱᴍ ɪɴ ᴡʜɪᴄʜ ᴘᴏʟʟᴇɴ ɢʀᴀɪɴꜱ ᴏꜰ ᴀ ꜰʟᴏᴡᴇʀ ᴀʀᴇ ᴜɴᴀʙʟᴇ ᴛᴏ ᴄᴏᴍᴘʟᴇᴛᴇʟʏ ɢʀᴏᴡ ᴏɴ ᴛʜᴇ ꜱᴛɪɢᴍᴀ ᴏꜰ ᴛʜᴇ ꜱᴀᴍᴇ ꜰʟᴏᴡᴇʀ.
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