The pituitary gland is divided into<span> three majors parts: the anterior pituitary, the posterior pituitary and the intermediate </span>lobe<span>. but it has two major lobes Posterior and Anterior lobes</span>
The soon to be male organism, developing from the zygote, receives or inherits the X chromosome from his mother. His father provides him the y chromosome, the smaller of the 2 sex chromosomes.