what is double fertilisation?
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Double fertilisation is a complex fertilisation mechanism of flowering plants. The process involves the joining of a female gametophyte(Embryo Sac) and two male gametes(Sperm).
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Dᴏᴜʙʟᴇ ғᴇʀᴛɪʟɪsᴀᴛɪᴏɴ :
Pᴏʟʟᴇɴ ᴛᴜʙᴇ ʀᴇʟᴇᴀsᴇs 2 ᴍᴀʟᴇ ɢᴀᴍᴀᴛᴇ ɪɴ ᴄʏᴛᴏᴘʟᴀsᴍ ᴏғ sʏɴᴇʀɪᴅs.
❇️ Oɴᴇ ᴍᴀʟᴇ ɢᴀᴍᴀᴛᴇ ғᴜsᴇs ᴡɪᴛʜ ᴇɢɢ ᴄᴇʟʟ ᴛᴏ ғᴏʀᴍ ᴢʏɢᴏᴛᴇ ➡️ sʏɴᴀɢᴀᴍʏ
❇️ ᴀɴᴏᴛʜᴇʀ ᴍᴀʟᴇ ɢᴀᴍᴀᴛᴇ ᴍᴏᴠᴇ ᴛᴏᴡᴀʀᴅs 2 ᴘᴏʟᴀʀ ɴᴜᴄʟᴇɪ ʟᴏᴄᴀᴛᴇᴅ ɪɴ ᴛʜᴇ ᴄᴇɴᴛʀᴀʟ ᴄᴇʟʟ ᴀɴᴅ ғᴜsᴇs ᴡɪᴛʜ ᴛʜᴇᴍ ᴛᴏ ᴘʀᴏᴅᴜᴄᴇ ᴛʀɪᴘʟᴏɪᴅ ᴘʀɪᴍᴀʀʏ ᴇɴᴅᴏsᴘᴇʀᴍ ɴᴜᴄʟᴇᴜs.
As ᴛʜɪs ɪɴᴠᴏʟᴠᴇs ғᴜsɪᴏɴ ᴏғ ᴛʜʀᴇᴇ ʜᴀᴘʟᴏɪᴅ ɴᴜᴄʟᴇɪ ɪᴛ ɪs ᴛᴇʀᴍᴇᴅ ᴛʀɪᴘʟᴇ ғᴜsɪᴏɴ.
Sɪɴᴄᴇ 2 ᴛʏᴘᴇ ᴏғ ғᴜsɪᴏɴ, sʏɴᴀɢᴀᴍʏ ᴀɴᴅ ᴛʀɪᴘʟᴇ ғᴜsɪᴏɴ ᴛᴀᴋᴇ ᴘʟᴀᴄᴇ ɪɴ ᴀɴ Eᴍʙʀʏᴏ sᴀᴄ ᴛʜɪs ɪs ᴛᴇʀᴍᴇᴅ ᴀs ᴅᴏᴜʙʟᴇ ғᴇʀᴛɪʟɪsᴀᴛɪᴏɴ.
ᗷᗴ ᗷᖇᗩIᑎᒪY !
TᕼᗩᑎK ᑌ :-)
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