Vas deferens receives a duct from seminal vesicle and opens into urethra as _________.
Urethral meatus
Ejaculatory duct
Ureter
Epididymis
When more than one sperm establish contact and penetrate into the egg, then it is called
In the embryonic development of chordate the animal pole forms one of the following of the adult
Which of the following is correct statement
Chorion is found
Internal ear develops from