People with One Sickle Cell HbS Allele and One Normal

question 31

Multiple Choice

People with one sickle cell HbS allele and one normal HbA allele are considered "carriers." What does this tell you about the dominant-recessive relationship between these two alleles?

• A) The sickle cell allele is dominant.
• B) The sickle cell is recessive.
• C) The normal allele is dominant.
• D) The normal allele is recessive.
• E) Neither allele is completely dominant.

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Definitions:

Dielectric

An insulating material that can be polarized by an electric field, enhancing the capacitor's ability to store an electric charge.

Mica

A mineral used as an electric insulator.

Northwest Ordinance

An act passed by the Confederation Congress in 1787 that established a government for the Northwest Territory and outlined the process for admitting new states to the Union, prohibiting slavery in the territory.

Old Northwest

A historical term referring to the territory that became the states of Ohio, Indiana, Illinois, Michigan, Wisconsin, and parts of Minnesota; it was an important region for expansion and settlement in early U.S. history.