Respuesta :

A. gamates because they are reproductive cells which are haploid.

zygotes are formed when two cells combine, making  diploid cell and forming a complete genetic material
 
neurons are cells from nervous system and they have a complete genetic material

Answer:

Gametes

Explanation: The gametes are haploid (n) cells.  They are formed by meiotic division, for which these are haploid(n) in nature. There are two types of gametes such as male gamete/ sperm and female gamete/ ovum. These two gametes are fused to form the zygote which is diploid (2n) in nature.