Question

Describe the development of Endosperm in Angiosperms

Answer 1

Development of Endosperm in Angiosperms:

1) Endosperm develops from the triploid primary endospermic nucleus (PEN).

2)The PEN divides and redivides by mitosis to form a tissue called endosperm.

3) Endosperm grows faster than the embryo and gets surrounded around the embryo.

4) In some plants, endosperm is completed utilized by the developing embryo and as a result there is no endosperm in the mature seeds. This type of seed without endosperm is called non endospermic (exalbuminous). Example: Ground nut, Pea.

5) In some plants, endosperm is partially utilized by the developing embryo and as a result there is endosperm in the mature seeds. This type of seed with endosperm is called endospermic (albuminous). Example: Maize, Castor.

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Answer 2

Answer:

Eɴᴅᴏsᴘᴇʀᴍ ᴀʀᴇ ᴏʙᴛᴀɪɴᴇᴅ ғʀᴏᴍ ᴅᴏᴜʙʟᴇ ғᴇʀᴛɪʟɪsᴀᴛɪᴏɴ.

Tʜᴇ ᴘʀɪᴍᴀʀʏ ᴇɴᴅᴏsᴘᴇʀᴍ ɴᴜᴄʟᴇᴜs (ᴘᴇɴ) ᴜɴᴅᴇʀɢᴏ Mɪᴛᴏᴛɪᴄ ᴅɪᴠɪsɪᴏɴ ᴘʀɪᴍᴀʀʏ ᴇɴᴅᴏsᴘᴇʀᴍ ᴄᴇʟʟ (ᴘᴇᴄ)

Pᴇᴄ Dᴇᴠᴇʟᴏᴘs ɪɴᴛᴏ ᴇɴᴅᴏsᴘᴇʀᴍ.

Eɴᴅᴏsᴘᴇʀᴍ ᴅᴇᴠᴇʟᴏᴘᴍᴇɴᴛ ᴘʀᴏᴄᴇᴅs Eᴍʙʀʏᴏ ᴅᴇᴠᴇʟᴏᴘᴍᴇɴᴛ.

Pᴇᴄ ᴄᴇʟʟs ᴅɪᴠɪᴅᴇs ᴀɴᴅ ғᴏʀᴍs ᴛʀɪᴘʟᴏɪᴅ ᴇɴᴅᴏsᴘᴇʀᴍ ᴛɪssᴜᴇ.

Tʜᴇ ᴄᴇʟʟs ᴏғ ᴛʜɪs ᴛɪssᴜᴇ ᴀʀᴇ ғɪʟʟᴇᴅ ᴡɪᴛʜ ʀᴇsᴇʀᴠᴇ ғᴏᴏᴅ ᴍᴀᴛᴇʀɪᴀʟs ᴀʀᴇ ᴜsᴇᴅ ғᴏʀ ɴᴜᴛʀɪᴛɪᴏɴ ᴏғ ᴅᴇᴠᴇʟᴏᴘɪɴɢ Eᴍʙʀʏᴏ.

ᗷᗴ ᗷᖇᗩIᑎᒪY !

Thank you :-)