Sperm or ovum (6)
I believe the answer is:
gamete
(Other definitions for gamete that I've seen before include "Egg-cell" , "Male or female germ cell" , "Egg- or sperm-cell" , "An egg or sperm cell" , "Germ cell in reproduction" .)
I believe the answer is:
gamete
(Other definitions for gamete that I've seen before include "Egg-cell" , "Male or female germ cell" , "Egg- or sperm-cell" , "An egg or sperm cell" , "Germ cell in reproduction" .)