In Siamese Cats,enzymes That Code for Dark Fur Color Are

question 21

Multiple Choice

In Siamese cats,enzymes that code for dark fur color are only active in cooler temperatures.Thus,the tips of a Siamese cat's ears,feet,and tail are dark but not the warmer regions of its body core.This is an example of ____.

• A)Pleiotropy
• B)environmental effects
• C)epistasis
• D)incomplete dominance
• E)co-dominance

---

Definitions:

Permanent Dipole

A dipole moment that persists in a molecule due to the unequal sharing of electrons in covalent bonds.

Ethylene Glycol

A colorless, odorless, sweet-tasting liquid with the formula C2H6O2, widely used as an automotive antifreeze and a precursor to polymers.

Boiling Point

The temperature at which a liquid turns to vapor at a given pressure, characteristic for every substance.

Molecular Mass

The sum of the atomic masses of all the atoms in a molecule, measured in atomic mass units (amu).