Male accessory glands include
Paired seminal vesicles
$A$ prostate gland
Paired bulbourethral gland
All of these
The seminiferous tubules of the testis opens into the vasa efferentia by
Mammary glands are modified
How many eggs will be formed from $100$ primary oocytes
Type of placenta in the human is
The amnion of mammalian embryo is derived from