Differentiate between the following :
Syngamy and triple fusion.

Explanation

Syngamy :
a. Male gamete fuses with the egg cell to form diploid zygote.
b. Zygote develops into an embryo.
Triple fusion :
a. One male gamete fuses with diploid secondary nucleus to from zygote.
b. Second nucleus fuses with egg to form diploid zygote.
c. PEN is triploid.
d. PEN develops into endosperm which provides nourishment to the developing embryo.