If the Pedigree Below Is for an Autosomal Recessive Characteristic

question 28

Multiple Choice

If the pedigree below is for an autosomal recessive characteristic, which individuals are definitely heterozygous?

• A) I-1, I-2, II-2, II-4, II-5
• B) I-1, I-2, I-4, III-1
• C) I-1, I-2, II-4, II-5, III-1
• D) II-2, II-4, II-5, II-3
• E) II-2, II-4, II-5, III-1

---

Definitions:

Time Zones

Regions of the Earth that have the same standard time.

Mill Girls

Women who worked at textile mills during the Industrial Revolution who enjoyed new freedoms and independence not seen before.

Supervised Boardinghouses

Managed living accommodations where boarders live under supervision, historically significant for housing workers, students, or specific groups with oversight on their welfare.

Immigrants

Individuals who move from one country to another with the intention of settling or residing there permanently.