The Structure of the Drosophila Gene Called Tinman Is Similar

question 78

Multiple Choice

The structure of the Drosophila gene called Tinman is similar to a gene in humans that also

• A) promotes ear development.
• B) specifies the location of the heart.
• C) determines structures in the eyes.
• D) specifies limb elongation points.
• E) filters lymphatic fluid.

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Definitions:

Dextro-

Prefix indicating the right-handed (clockwise) configuration of a chiral molecule, often used in stereochemistry.

Levorotatory

Relating to a substance that rotates the plane of polarized light to the left.

Optical Activity

The ability of a molecule to rotate plane-polarized light, a property used to distinguish between enantiomers in stereochemistry.

Enantiomers

Molecules that are mirror images of each other but cannot be superimposed upon one another, similar to left and right hands.