How many plants arise from a polyembryonic seed? When I asked this question to my teacher she said that she doesn't know. So I wanted to know? Is there any use of polyembrony in plants?

In plants due to programmed cell death only one plant arises.

Here is a good article

> The enigma of plant monozygotic polyembryony is that only one embryo in a polyembryonic seed usually survives while the others are eliminated at an early stage.