Answer:
Prostate fluid
Explanation:
Prostate fluid comes from the Prostate gland.
It propels seminal fluid into the urethra.
Answer:
Toxocara canis
Explanation:
Predator prey route is the transmission method used by different protozoa. They enter the body of the prey when they eat an infected prey. They are infused in the blood of the predator and then resides there forming an infection. They overcome transmission barriers and enters the body of host.
Answer:
The best answer to the question: Development of the testes in the embryo is due to:___, would be, C: Presence of a single Y chromosome.
Explanation:
The subject of sexual differentiation into male, or female, during the prenatal, and especially embryonic stage, is still a matter of study and research. Although many of the processes are widely accepted and understood, studies show that there may be other factors involved in sexual differentiation. However, what has been known so far is that in the embryonic stage, the presence of TDF (testis-determining factor) is crucial to this determination. TDF is a product of the presence of the Y chromosome in the gene known as SRY. It has been seen that when this protein product is not presence, there will be no growth of the necessary parts for male differentiation from a female.
B of course they have no right to do that
Answer:
testes
Explanation:
Gonad, in zoology, primary reproductive gland that produces reproductive cells (gametes). In males the gonads are called testes; the gonads in females are called ovaries. (see ovary; testis).