Individuals who have homomorphic sex - chromosomes produce

The correct option is C one type of gamete
Homomorphic word comes from the ancient Greek word ‘homos’ meaning “same” and ‘morphe’ means ‘form’. Hence, individuals having homomorphic sex - chromosomes produce one type of gamete. For example, human females produce gametes with 22+X chromosomes only.
Individuals having heteromorphic sex - chromosomes can produce two types of gametes. For example, human males can produce gametes having 22+X or 22+Y chromosomes.