What is the first event in Human Reproduction?

Step-by-step solution

Humans are sexually reproducing and viviparous. The reproductive events in humans include formation of gametes (gametogenesis), i.e., sperms in males and ovum in females , transfer of sperms into the female genital tract (insemination) and fusion of male and female gametes (fertilisation) leading t formation of zygote. This is followed by formation and development of blastocyst and its attachment to the uterine wall (implantation), embryonic development (gestation) and delivery of the baby (parturition). You have l