If there are 640 pollen grains how many gametes are there
Dear student
Each pollen grain produces two gametes (sperm nuclei), hence 640 pollen grains will produce 2 x 640 =1280 sperm nuclei.
Regards
Each pollen grain produces two gametes (sperm nuclei), hence 640 pollen grains will produce 2 x 640 =1280 sperm nuclei.
Regards