what is fertilization????
Answers
Complete and permanent fusion of gametes from different parents for the same parent to form a diploid zygote.
There are two types of fertilization.
External
Internal
Occurs outside the body of the organism medium required .
Egg is form inside the female body where it fuse with male gamete.
Answer:
ғᴇʀᴛɪʟɪsᴀᴛɪᴏɴ ᴏʀ ғᴇʀᴛɪʟɪᴢᴀᴛɪᴏɴ (sᴇᴇ sᴘᴇʟʟɪɴɢ ᴅɪғғᴇʀᴇɴᴄᴇs), ᴀʟsᴏ ᴋɴᴏᴡɴ ᴀs ɢᴇɴᴇʀᴀᴛɪᴠᴇ ғᴇʀᴛɪʟɪsᴀᴛɪᴏɴ, ɪɴsᴇᴍɪɴᴀᴛɪᴏɴ, ᴘᴏʟʟɪɴᴀᴛɪᴏɴ,[] ғᴇᴄᴜɴᴅᴀᴛɪᴏɴ, sʏɴɢᴀᴍʏ ᴀɴᴅ ɪᴍᴘʀᴇɢɴᴀᴛɪᴏɴ,[] ɪs ᴛʜᴇ ғᴜsɪᴏɴ ᴏғ ɢᴀᴍᴇᴛᴇs ᴛᴏ ɢɪᴠᴇ ʀɪsᴇ ᴛᴏ ᴀ ɴᴇᴡ ɪɴᴅɪᴠɪᴅᴜᴀʟ ᴏʀɢᴀɴɪsᴍ ᴏʀ ᴏғғsᴘʀɪɴɢ ᴀɴᴅ ɪɴɪᴛɪᴀᴛᴇ ɪᴛs ᴅᴇᴠᴇʟᴏᴘᴍᴇɴᴛ. ᴛʜɪs ᴄʏᴄʟᴇ ᴏғ ғᴇʀᴛɪʟɪsᴀᴛɪᴏɴ ᴀɴᴅ ᴅᴇᴠᴇʟᴏᴘᴍᴇɴᴛ ᴏғ ɴᴇᴡ ɪɴᴅɪᴠɪᴅᴜᴀʟs ɪs ᴄᴀʟʟᴇᴅ sᴇxᴜᴀʟ ʀᴇᴘʀᴏᴅᴜᴄᴛɪᴏɴ. ᴅᴜʀɪɴɢ ᴅᴏᴜʙʟᴇ ғᴇʀᴛɪʟɪsᴀᴛɪᴏɴ ɪɴ ᴀɴɢɪᴏsᴘᴇʀᴍs ᴛʜᴇ ʜᴀᴘʟᴏɪᴅ ᴍᴀʟᴇ ɢᴀᴍᴇᴛᴇ ᴄᴏᴍʙɪɴᴇs ᴡɪᴛʜ ᴛᴡᴏ ʜᴀᴘʟᴏɪᴅ ᴘᴏʟᴀʀ ɴᴜᴄʟᴇɪ ᴛᴏ ғᴏʀᴍ ᴀ ᴛʀɪᴘʟᴏɪᴅ ᴘʀɪᴍᴀʀʏ ᴇɴᴅᴏsᴘᴇʀᴍ ɴᴜᴄʟᴇᴜs ʙʏ ᴛʜᴇ ᴘʀᴏᴄᴇss ᴏғ ᴠᴇɢᴇᴛᴀᴛɪᴠᴇ ғᴇʀᴛɪʟɪsᴀᴛɪᴏɴ.
ᴛʏᴘᴇs ᴏғ ғᴇʀᴛɪʟɪᴢᴀᴛɪᴏɴ
ғᴇʀᴛɪʟɪᴢᴀᴛɪᴏɴ ɪɴ ᴀɴɪᴍᴀʟs ᴛʜᴇ ғᴇʀᴛɪʟɪᴢᴀᴛɪᴏɴ ᴘʀᴏᴄᴇss ɪɴ ᴀɴɪᴍᴀʟs ᴄᴀɴ ᴏᴄᴄᴜʀ ᴇɪᴛʜᴇʀ ɪɴᴛᴇʀɴᴀʟʟʏ ᴏʀ ᴇxᴛᴇʀɴᴀʟʟʏ, ᴀ ᴅɪғғᴇʀᴇɴᴄᴇ ᴡʜɪᴄʜ ɪs ʟᴀʀɢᴇʟʏ ᴅᴇᴛᴇʀᴍɪɴᴇᴅ ʙʏ ᴛʜᴇ ᴍᴇᴛʜᴏᴅ ᴏғ ʙɪʀᴛʜ. ᴀɴɪᴍᴀʟs ᴡʜɪᴄʜ ᴜsᴇ ᴠɪᴠɪᴘᴀʀᴏᴜs ᴀɴᴅ ᴏᴠᴏᴠɪᴠɪᴘᴀʀᴏᴜs ʀᴇᴘʀᴏᴅᴜᴄᴛɪᴏɴ (ᴇᴍʙʀʏᴏs ᴅᴇᴠᴇʟᴏᴘ ᴡɪᴛʜɪɴ ᴛʜᴇ ᴀɴɪᴍᴀʟ’s ʙᴏᴅʏ), ᴀɴᴅ ᴏᴠɪᴘᴀʀᴏᴜs ᴀɴɪᴍᴀʟs ᴡʜɪᴄʜ ʟᴀʏ ʜᴀʀᴅ sʜᴇʟʟᴇᴅ ᴇɢɢs, ᴜsᴇ ɪɴᴛᴇʀɴᴀʟ ғᴇʀᴛɪʟɪᴢᴀᴛɪᴏɴ.