Mandy and Candy Are Fraternal Twins Who Were Reared Together

question 91

Multiple Choice

Mandy and Candy are fraternal twins who were reared together. Bernie and Ernie are identical twins who were reared together. Which of the following statements is true?

• A)Mandy and Candy are more genetically similar to each other than are Bernie and Ernie.
• B)Mandy and Candy are as genetically similar to each other as are Bernie and Ernie.
• C)Mandy and Candy have the same level of shared environment as do Bernie and Ernie.
• D)Mandy and Candy have a greater level of shared environment than do Bernie and Ernie.
• E)None of the statements is true.

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Definitions:

Thromboxanes

A group of eicosanoids known for their role in vasoconstriction, platelet aggregation, and blood clot formation.

Calcitonin

A hormone produced by the thyroid gland that helps regulate calcium levels in the blood by inhibiting bone resorption.

Adrenal Cortex Secretions

Hormones produced by the outer layer of the adrenal glands, including cortisol, aldosterone, and androgen precursors, which regulate various bodily functions.

Testosterone

A primary male sex hormone responsible for the development and maintenance of male physical characteristics and reproductive tissues.