Choose the Correct Answer from the List Below

question 7

Multiple Choice

Choose the correct answer from the list below. Not all of the answers will be used.
-_______________ is a rare skin disease caused by the inability to correct for UV damage to skin DNA.

• A)uracil
• B)DNA ligase
• C)Huntington disease
• D)Ames
• E)xeroderma pigmentosum
• F)tumor-suppressor genes
• G)trinucleotide repeats
• H)skin carcinoma
• I)mutagen
• J)direct repair
• K)indirect repair
• L)photolyase

---

Definitions:

Monozygotic Twins

Identical twins originating from a single fertilized egg, resulting in genetically identical individuals.

Genes

Units of DNA that are responsible for determining the characteristics and traits that are inherited from parents to offspring.

Chromosome

A structure within the cell nucleus made up of DNA and proteins that contains the genetic material of an organism.

Alleles

Variants of a gene that occur at the same place on a chromosome, contributing to the diversity of genetically influenced traits.