Identify $X$ from the figure.

Consider the following four statements $(A-D)$ and select the option which includes all the correct ones only.
$(A)$ The male sex accessory ducts include rete testis,vasa efferentia,epididymis and vas deferens.
$(B)$ Leydig cells synthesise and secrete testicular hormones called androgens.
$(C)$ The female reproductive system is located in the pelvic region.
$(D)$ Each testis has about $250$ compartments called testicular lobules.

The changes that occur in females at the onset of puberty are:

Two offspring developed in the same uterus but from the fertilization of two different ova are:

Assertion : Mammalian ova produces hyaluronidase.
Reason : The eggs of mammal are microlecithal and telolecithal.

Identify the incorrect statement.