Why Is Hemophilia a Sex-Linked Trait

question 75

Multiple Choice

Why is hemophilia a sex-linked trait?

• A) Because it is carried on the 23^rd  chromosome pair
• B) Because it is only observed after puberty
• C) Because it never occurs in females
• D) Because it interferes with normal sexual maturation

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Definitions:

Stereogenic Center

An atom in a molecule, often carbon, that is connected to four different groups, giving rise to stereoisomers due to the spatial arrangement of these groups.

Stereoisomer

Molecules that have the same molecular formula and sequence of bonded atoms but differ in the three-dimensional orientations of their atoms in space.

Drug Receptors

Specific molecular sites within the body that drugs interact with to produce a pharmacological effect.

Most Polar Molecule

The molecule with the highest difference in electronegativity between its atoms, leading to a significant dipole moment.