Question

Apomixis is:

• A. formation of seeds by fusion of gametes
• B. formation of seeds without syngamy and meiosis
• C. formation of seeds with syngamy but no meiosis
• D. none of these.

Answer 1

The correct option is D none of these.

In botany, apomixis was defined as replacement of the normal sexual reproduction by asexual reproduction, without fertilization. Apomictically produced offspring are genetically identical to the parent plant. In flowering plants, the term "apomixis" is commonly used in a restricted sense to mean agamospermy, i.e. clonal reproduction through seeds. Although agamospermy could theoretically occur in gymnosperms, it appears to be absent in that group. Apomixis is absent in major crops, however, deployment of apomixis as a crop‐breeding tool would economically maintain hybrid vigour that is currently lost in successive seed generations. Most apomicts retain the ability to produce some seed via sexual reproduction and studies in some apomicts indicate sexual reproduction is the default reproductive mode on which apomixis is superimposed.

So teh correct option is 'none of these'.