Botany - Sexual Reproduction in Flowering Plants Question with Solution | TestHub

The male gamete will be haploid (n). Two polar nuclei will be diploid (2n). Endosperm formed by the fusion of male gamete with two polar nuclei will be pentaploid.

$\underset{\left(n\right)}{\mathbf{\text{Male gamete}}}+\mathbf{2}\underset{\left(2n\right)+\left(2n\right)}{\mathbf{\text{Polar nuclei}}}\mathbf{⟶}\underset{\left(5n\right)}{\mathbf{\text{Endosperm}}}$