Multiple choice

The fusion of male gamete with the two polar nuclei is often termed as ______.

  1. triple fusion

  2. zygote

  3. endosperm

  4. androecium

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Triple fusion refers to the fusion of one male gamete with the two polar nuclei in the embryo sac, forming a triploid primary endosperm nucleus. This is the second fertilization event in double fertilization. The zygote forms from the first male gamete fusing with the egg cell.