Assertion :The regulation of RBC production is accomplished by FSH. Reason: Erythropoietin hormone circulates to red bone marrow, where it increases stem cell mitosis and speeds up development of RBCs.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Assertion is incorrect but Reason is correct.

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Solution

The correct option is D Assertion is incorrect but Reason is correct.
Regulation of RBC production is not accomplished by FSH (Follicle Stimulating Hormone) but the regulation of RBC production is accomplished by erythropoietin hormone (EPO). Follicle-stimulating hormone (FSH) is a gonadotropic hormone that is secreted by the anterior pituitary gland. FSH causes gametogenesis and stimulates estrogen production from ovaries.
Erythropoietin is a glycoprotein hormone. It is produced by the kidney. When the oxygen level is low, EPO then circulates to the bone marrow, where it increases stem cell mitosis and speed up development of RBCs and thereby increase the oxygen-carrying capacity of the blood. Hence, option D is correct.

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