Which hypothalamic hormone contributes to the regulation of the male reproductive system?:
a. luteinizing hormone
b. gonadotropin-releasing hormone
c. follicle-stimulating hormone
d. androgens
Answer: b. gonadotropin-releasing hormone
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Indicate whether the statement is true or false
Assume that a black guinea pig crossed with an albino guinea pig produced five black offspring. When the albino was crossed with a second black guinea pig, four black and three albino offspring were produced
What genetic explanation would apply to these data? A) albino and black = codominant B) albino = recessive; black = dominant C) albino = recessive; black = recessive D) albino = dominant; black = incompletely dominant E) None of the answers listed are correct.
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A. Melanocytes are found in the epidermis and they produce melanin when exposed to UV light. The melanin is then distributed to dermal cells. B. Melanocytes are found in the epidermis and they produce melanin when exposed to UV light. The melanin is then distributed to epidermal cells. C. Melanocytes are found in the hypodermis and they produce melanin when exposed to UV light. The melanin is then distributed to epidermal cells. D. Melanocytes are found in the dermis and they produce melanin when exposed to UV light. The melanin is then distributed to epidermal cells.