Q.Differentiate between apomixis and polyembryony.

Apomixis and polyembryony are related but distinct phenomena, and are sometimes confused because nucellar polyembryony is a form of apomixis.

Apomixis is the general phenomenon of a seed forming without the fusion of male and female gametes -- for example, a diploid nucellar or somatic cell developing directly into an embryo. It describes HOW an embryo forms (asexually, mimicking sexual reproduction) and typically still produces just one embryo per seed, unless combined with polyembryony. …

Separate the two questions each term answers -- apomixis answers 'was fertilisation involved?', polyembryony answers 'how man …

Treating apomixis and polyembryony as interchangeable terms -- a seed can be apomictic with only ONE embryo, or polyembryonic with …