Sperm’s acrosome has
Hyaluronic acid and proacrosine
Hyaluronic acid and fertilizin
Hyaluronidase and proacrosin
Fertilizin and proacrosin
Which type of stimulus is used to achieve parthenogenic development
Sertoli cells are also called
Chorion is composed of
$A$ : Leydig’s cells synthesise and secrete testicular hormones called androgens.
$R$ : Leydig’s cells are located between the Sertoli cells.
Allantois develops from the embryonic