$A$ freshly unfertilized egg of a hen contains:

Sperms become non-motile in the vagina in

In mammals,the egg is microlecithal and alecithal because they are.....

Given below are two statements:
Statement $I:$ Vas deferens receives a duct from seminal vesicle and opens into urethra as the ejaculatory duct.
Statement $II:$ The cavity of the cervix is called cervical canal which along with vagina forms birth canal.
In the light of the above statements,choose the correct answer from the options given below:

Select the correct option from the following.

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