Question

Define the term apospory​

Answer 1

What is apospory?

It is the process of Formating of gametophyte directly from sporophyte without meiosis.

Some information about apospory are:-

• It was first found by Rosenberg in Hieracium plant.
• In this method embryosac or female gametophyte is directly formed from any diploid cell of the sporophyte that means from nucellus or integument without the process of meiosis.
• Megaspore mother cell is a exception of this.
• In this gametophyte always remains diploid such as Rubus, Hieracium & Ranunculus.

Answer 2

Answer:

Apospory is the development of 2n gametophytes, without meiosis and spores, from vegetative, or nonreproductive, cells of the sporophyte. In contrast, apogamy is the development of 1n sporophytes without gametes and syngamy from vegetative cells of the gametophyte.

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