Genetic Disorders and Mutations Quiz

Which genetic disorder is characterized by an extra copy of chromosome 21?

• Turner Syndrome

• Down Syndrome

• Klinefelter Syndrome

• Cystic Fibrosis

What type of mutation results in the insertion or deletion of a single nucleotide?

• Silent mutation

• Missense mutation

• Frameshift mutation

• Point mutation

Tags

NGSS.HS-LS3-2

Which condition is an X-linked recessive disorder primarily affecting males?

• Huntington's disease

• Color blindness

• Sickle cell anemia

• Tay-Sachs disease

What is the term for a genetic mutation that changes one amino acid to another?

• Nonsense mutation

• Deletion mutation

• Insertion mutation

• Missense mutation

Tags

NGSS.HS-LS3-2

Which genetic disorder causes progressive muscle weakness and loss of muscle mass?

• Muscular dystrophy

• Phenylketonuria

• Hemophilia

• Thalassemia

In DNA, what base pairs with guanine?

• Thymine

• Adenine

• Cytosine

• Uracil

What is the probability of two heterozygous parents (Bb) having a homozygous recessive child (bb)?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-3

During protein synthesis, what process converts DNA to mRNA?

• Translation

• Transcription

• Replication

• Mutation

How many nucleotides are in a complete codon?

• Four

• Two

• One

• Three

In RNA, what base replaces thymine?

• Cytosine

• Guanine

• Uracil

• Adenine