Biology
Mutation
Grade 12 · High School
Answer every question first, then press Finish to see your score and explanations.
- Question 1 of 20Easy
A mutation is a change that occurs in ...
- Question 2 of 20Easy
A substance or factor that can cause mutation is called a ...
- Question 3 of 20Easy
A mutation occurring in one or a few nitrogenous bases is called a ... mutation.
- Question 4 of 20Easy
Sickle cell anemia occurs due to a gene mutation that changes the amino acid ... into valine.
- Question 5 of 20Easy
Down syndrome in humans is caused by ...
- Question 6 of 20Easy
A mutation that shifts the reading frame of codons due to base addition or loss is called a ... mutation.
- Question 7 of 20Medium
Replacing a purine with another purine, or a pyrimidine with another pyrimidine, is called ...
- Question 8 of 20Medium
A chromosome mutation caused by the loss of a chromosome segment is called ...
- Question 9 of 20Medium
The movement of a chromosome segment to a non-homologous chromosome is called ...
- Question 10 of 20Medium
A chromosome mutation in which the gene order within a chromosome is reversed is called ...
- Question 11 of 20Medium
The failure of homologous chromosomes to separate during meiosis is called ...
- Question 12 of 20Medium
Turner syndrome in humans is marked by the sex chromosome genotype ...
- Question 13 of 20Hard
A mutation that does not change the encoded amino acid so the protein stays the same is called a ... mutation.
- Question 14 of 20Medium
Which of the following is a physical mutagen?
- Question 15 of 20Medium
A mutation that occurs in body (somatic) cells ...
- Question 16 of 20Hard
The original DNA sequence is ATG ACG TTA. If a second base T is inserted so it becomes ATG TAC GTT A, the most likely effect is ...
- Question 17 of 20Hard
Polyploid plants often have a larger size and larger fruit. Polyploidy is ...
- Question 18 of 20Hard
A mutation that changes a codon into a premature stop codon so the protein becomes short is called a ... mutation.
- Question 19 of 20Hard
Ultraviolet light can cause mutation because ...
- Question 20 of 20Hard
A bacterial population is treated with an antibiotic, and only bacteria with a resistance mutation survive. This shows that mutation ...