The correct option is A Fallopian
The fusion of male and female gamete is called fertilisation. In this process, the sperm travels from the uterus towards both fallopian tubes guided by the chemical release by female reproductive organs. The ovum matures and travels slowly from the oviducts in the fallopian tubes. Both the gametes unite in fallopian tubes giving rise to a diploid zygote. So, the correct answer is option A.