Respuesta :
Gamete is the ready sex cell to merge with another Gamete to change to a Zygote
Zygote is considered as a mature sex cell. Correct answer: D The zygote is the first diploid cell that forms following fertilization by fusion of the haploid oocyte (egg) and male gamete (sperm). The zygote is diploid because it is endowed with genes from two parents.