WorksheetsUnit 5 Vocabulary: Mutations
Total questions: 7
Worksheet time: 8mins
Match the vocab word with its corresponding definition:
mutagens
agents in the environment that can change DNA
mutations
changes in the DNA sequence
point mutation
a change in a single nucleotide
frameshift mutation
insertion or deletion of nucleotides
translocation
movement of a chromosomal segment to a new position
Examples of mutagens include
UV light
X rays
smoke
pure water
Which are examples of point mutations?
AGG instead of AUG
ATT instead of CAT
CCC instead of CAC
ATC instead of CTA
What causes a frameshift mutation?
What is the impact of a frameshift mutation on protein synthesis?
A frameshift mutation does not affect protein synthesis.
A frameshift mutation can lead to the synthesis of a completely different protein.
A frameshift mutation only affects the synthesis of proteins in the mitochondria.
A frameshift mutation causes the synthesis of a larger protein.
Sickle cell disease (SCD) is a monogenetic disorder due to a single base-pair point mutation in the β-globin gene resulting in the substitution of the amino acid valine for glutamic acid in the β-globin chain.
What is the cause of sickle cell disease?
Mutation in the α-globin gene
Mutation in the γ-globin gene
Mutation in the δ-globin gene
Point mutation in the β-globin gene
The mutation results in the substitution of the amino acid (a) for glutamic acid in the β-globin chain.
Silent mutations are mutations in DNA that do not have an observable effect on the organism's phenotype. Which statement supports this definition of silent mutations?
