Mammary glands are modified

Fertilizins are the substances emitted from

Notochord, skeletal system and dermis of the skin are the derivatives of

Neural crest cells break off from the ________ and later move to the sides of the developing embryo to form  ________

In humans, at the end of the first meiotic division, the male germ cells form

Prostate gland surrounds the $...A....$ It produces milky, slightly alkaline solution which forms $...B..$ volume of the semen. The secretion contains $...C...$ acid and enzymes (acid phosphates, amylase pepsinogen and prostaglandins). $A$, $B$ and $C$ in the above statement is