Mutations (Genetics)

Front

Change in the DNA sequence

Back

mutation

Front

One nucleotide is replaced with a different nucleotide.

Back

substitution (point)

Front

When one or more nucleotides are deleted.

Back

deletion

Front

When one or more nucleotides are inserted.

Back

Insertion

Front

When a portion of the DNA is shifted in one direction due to a deletion or insertion.

Back

frameshift

Front

What mutation has occurred here? T-G-A-C-C-A T-G-A-G-C-A Options: Substitution, Deletion, Insertion, Frameshift

Back

Substitution

Front

DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.

Back

Deletion

Front

When a nitrogen base (nucleotide) is removed from a gene, this is called a ________ mutation.

Back

deletion

Front

In nitrogen base pairs, C always pairs with...

Back

G

Front

Each rung of the DNA ladder is made of

Back

a pair of nitrogen bases