Types of Mutations (HSC SSCE Biology): Quizzes
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Practise the questions
10 questions from this quiz
What is a mutation?
What is a mutation?
Any change in the DNA sequence
How many different criteria can be used to classify mutations?
How many different criteria can be used to classify mutations?
Five criteria
What causes induced mutations?
What causes induced mutations?
Environmental factors like chemicals or UV
Which type of mutation can be passed from parents to children?
Which type of mutation can be passed from parents to children?
Germline mutations
What happens in a nonsense mutation?
What happens in a nonsense mutation?
An amino acid codon becomes a stop codon
Why do silent mutations have no effect on phenotype?
Why do silent mutations have no effect on phenotype?
Multiple codons can code for same amino acid
What causes a frameshift mutation?
What causes a frameshift mutation?
Insertion or deletion of nucleotides
Which four types make up structural chromosomal mutations?
Which four types make up structural chromosomal mutations?
Deletion, duplication, inversion, transloc.
In sickle cell mutation, which DNA triplet change occurs?
In sickle cell mutation, which DNA triplet change occurs?
changes to
What is the chromosome count in Down syndrome?
What is the chromosome count in Down syndrome?
47 chromosomes (extra chromosome 21)