AP BIOLOGY

HEREDITY

MUTATIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Original:TTA-CGC-AAG Mutated:TTT-ACG-CAA-G. This is an example of ____ mutation.
A
Substitution
B
Deletion
C
Insertion
D
Inversion
Explanation: 

Detailed explanation-1: -In the sequence TTACGCAAG, the A nucleotide is removed and mutated to TTCGCAAG. It is a deletion mutation.

Detailed explanation-2: -Insertion Mutation Examples For example, some diseases caused by insertional mutations include: Fragile X Syndrome. Huntington’s Disease. Myotonic dystrophy.

Detailed explanation-3: -Other common mutation examples in humans are Angelman syndrome, Canavan disease, color blindness, cri-du-chat syndrome, cystic fibrosis, Down syndrome, Duchenne muscular dystrophy, haemochromatosis, haemophilia, Klinefelter syndrome, phenylketonuria, Prader–Willi syndrome, Tay–Sachs disease, and Turner syndrome.

Detailed explanation-4: -Answer: This is an example of a deletion mutation.

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