Are the gametes produced in all sexually reproducing organisms similar in appearance?

Are the gametes produced in all sexually reproducing organisms similar in appearance?
  1. Yes
  2. No
  3. Sometimes
  4. None of the above

Solution

In some algae, the two gametes are so similar in appearance that it is not possible to categorize them into male and female gametes, but in a majority of sexually reproducing organisms the gametes produced are of two morphologically distinct types.

Asked in: NCERT

Practice more Reproduction in Organisms questions on Aicharya