If Genetic Contribution to Variation in a Trait Is Negligible

question 89

Multiple Choice

If genetic contribution to variation in a trait is negligible:

• A)identical twins will be more similar to one another than fraternal twins are to one another.
• B)fraternal twins will be more similar to one another than identical twins are to one another.
• C)identical twins will be no more similar to one another than are fraternal twins.
• D)identical twins will be resemble one another more closely than do any other siblings.
• E)None of the answer options is correct.

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Definitions:

Common Bile Duct

A tube that carries bile from the liver and gallbladder into the duodenum, the first part of the small intestine.

Gallbladder

A small organ located beneath the liver that stores and concentrates bile, aiding in the digestion of fats.

Pancreas

An organ in the body that produces insulin and enzymes important for digestion.

Oral Cavity

The mouth's internal space, including the lips, gums, teeth, tongue, palate, and the opening to the throat, integral for speech, breathing, and the initial stages of digestion.