Both MHC Class I and MHC Class II Molecules Are

question 27

Multiple Choice

Both MHC class I and MHC class II molecules are highly polymorphic genes in the human population, with tens to hundreds of different alleles co-existing in the population. This means that a comparison of the MHC protein sequences between two individuals would reveal amino acid differences between one individual and the next. However, these amino acid differences are not randomly distributed along the entire protein, but are clustered in certain locations. The diagram in that most correctly indicates the regions of greatest variability between different MHC proteins (shown by the red highlights) is:

---

Definitions:

Eighteenth Century

A period from 1701 to 1800 that is marked by significant historical events including the Enlightenment and the American Revolution.

Artisan Shops

Small-scale businesses specializing in handmade or traditional products, often emphasizing quality and craft.

Eighteenth-Century Slavery

The period marked by widespread use of slave labor, particularly in the American colonies and the Caribbean, where African slaves were forcibly brought to work on plantations.

High Death Rates

The occurrence of a large number of deaths within a particular population or area over a specific period, often measured per thousand individuals.