Human and Biological Reproduction

These cysts form from cells on the outer surface of the ovary. 

The clitoris is an erectile tissue like the penis.

A structure within the scrotum attached to the backside of the testis

Paramesonephric ducts are paired ducts of the developing foetus that run down the lateral sides of the urogenital ridge. In females, they develop to form fallopian tubes, uterus, cervix and the upper two-thirds of vagina.

It happens when the the sac holding the egg does not break open to release the egg, and the fluid filled sac continues to grow. This type of cyst will often resolve itself in a few months.

This is a form of birth control used by women.

One primary spermatocyte produces four sperms and one primary oocyte produces one ovum.

Heterogamy is the fusion of two different types of gametes. Thus, this is the correct answer.

A zoospore is a motile asexual spore that uses a flagellum for locomotion. 

 Ascaris is isolecithal.

Endosperm is formed when the two sperm nuclei inside a pollen grain reach the interior of an embryo sac or female gametophyte. One sperm nucleus fertilizes the egg, forming a zygote, while the other sperm nucleus usually fuses with the two polar nuclei at the center of the embryo sac, forming a primary endosperm cell its nucleus is often called the triple fusion nucleus resulting in a triploid of endosperm nuclues.

Oxytocin is a peptide hormone.