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Artemon [7]
3 years ago
12

Development of the testes in the embryo is due to:

Medicine
1 answer:
Gelneren [198K]3 years ago
3 0

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.

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Answer:

Autoimmune hemolytic anemia

Explanation:

Autoimmune hemolytic anemia (AIHA) occurs when antibodies directed against the person's own red blood cells (RBCs) cause them to burst (lyse), leading to an insufficient number of oxygen-carrying red blood cells in the circulation.

4 0
3 years ago
Otitis media (middle ear infection) is sometimes associated with pharyngitis (sore throat). Explain why this is so.
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Answer:

Otitis media is generally caused by dysfunction of the Eustachian tube, which can be due to Pharyngitis.

Explanation:

The otitis media is an infection or inflammation of the middle ear and is mostly caused by the inflammation of the mucous membranes in the nasopharynx leading to dysfunction of the Eustachian tube. This can be caused due to a upper respiratory tract viral infection or streptococcal pharyngitis (strep throat) or due to some allergy.

Pharyngitis or sore throat is a type of inflammation caused by upper respiratory tract viral infection.

Therefore, Otitis media can be caused by Pharyngitis and thus it is associated with it.

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Answer:

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Explanation:

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