(a) Surgical methods / Sterilisation
(b) Males - Vasectomy , a small part of vas deferens is removed or tied up through a small
incision on the scrotum Females - Tubectomy , a small part of the fallopian tube is removed or tied up through a small incision in abdomen or through vagina
The sex of an infant is determined by the type of sex chromosome contributed by the male gamete. Since the ratio of male gametes containing X chromosome and those containing...
The male gametophyte or the pollen grain develops inside the pollen chamber of the anther, whereas the female gametophyte (also known as the embryo sac) develops inside the nucellus of...
The male gonads in human beings are a pair of testes.The testis lies in a sac outside the abodominal cavity called scrotum. The function of testis is to regulate the production...
(a) Surgical methods / Sterilisation = 1
(b) Males - Vasectomy , a small part of vas deferens is removed or tied up through a small incision on the scrotum =...
(a) Surgical methods / Sterilisation
(b) Males - Vasectomy , a small part of vas deferens is removed or tied up through a small
incision on the scrotum
Females - Tubectomy , a...
(Paired) seminal vescicles , prostate , bulbourethral glands (paired) Functions - Secretions constitute the Seminal plasma , which is rich in fructose / calcium and certain enzymes , lubrication of...
Three techniques that have been developed to prevent pregnancy are :
(i) Barrier method : Physical methods such as condom, diaphragm and cervical caps are used to prevent entry of sperms...
