Multiple choice

How does a pollen tube usually enter the embryo sac?

  1. Through one of the synergids

  2. Through direct penetration of the egg

  3. Between one synergid and central cell

  4. By knocking off antipodal cells

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

A pollen tube usually enters the embryo sac through one of the synergids.