Genetics and Mutations Quiz

What is a mutation?

• A temporary change in a DNA sequence

• A change in the protein structure

• A change in the cell membrane

• A permanent change in a DNA sequence

Tags

NGSS.HS-LS3-2

What does a point mutation involve?

• Duplicating a DNA sequence

• Removing a DNA strand

• Changing one DNA letter

• Adding a new DNA strand

Tags

NGSS.HS-LS3-2

What is a silent mutation?

• A mutation that changes the amino acid

• A mutation that does not change the amino acid

• A mutation that stops protein synthesis

• A mutation that deletes a DNA base

Tags

NGSS.HS-LS3-2

What is the start codon in a DNA sequence?

• CGT

• GCA

• TAC

• ATG

What color represents acidic amino acids?

• Grey

• Blue

• Yellow

• Red

What is a frameshift mutation?

• A mutation that changes the start codon

• A mutation that duplicates a DNA sequence

• A mutation that shifts the reading frame

• A mutation that changes one amino acid

Tags

NGSS.HS-LS3-2

What does a nonsense mutation create?

• A frameshift mutation

• A silent mutation

• A premature stop codon

• A new start codon

Tags

NGSS.HS-LS3-2

What is the role of mRNA in protein synthesis?

• To replicate DNA

• To provide energy for the cell

• To carry genetic information from DNA to ribosomes

• To form the cell membrane

What does the color blue indicate in amino acid changes?

• Silent mutation

• Amino acid substitution

• Frameshift mutation

• No mutation

What is the universal genetic code?

• A code specific to humans

• A code that is the same for all living things

• A code that varies between organisms

• A code that changes with mutations