Sexual reproduction depends on the meiosis division because, by mitotic division, the gametes are formed which is required to complete sexual reproduction. Asexual reproduction in plants does not need the presence of gametes because...
Surgical tools must be sterilized during labour to protect the mother from infection with some diseases such as puerperal sepsis. Smoking is harmful to reproductive health because it causes the death of embryos and...
Human development starts at fertilization. Fertilization is the process by which the spermatozoon (a male gamete) and the oocyte (a female gamete) unites to give a single cell, the zygote. The spermatozoon develops in...
Fertilization is the fusion of the male gamete (sperm) with the female gamete (ovum) to form the zygote which divides to form the embryo, The man may be considered infertile, if the number of...
