Gene Mutation & Chromosomal Mutation

Front

What type of gene mutation has occurred here? Normal: AGA-TTC-ATA-GCG Mutant: AGA-TTC-AAT-AGC-G

Back

insertion

Front

Name the mutation that happens when an extra base has been added to the sequence of bases.

Back

insertion

Front

DNA molecule segment is : TTACGCAAG The mutated DNA segment is TTACGCAAC. This is an example of _______ mutation.

Back

Substitution

Front

Identify the mutation in the picture.

Back

Translocation

Front

How many chromosomes does a person with trisomy 18 have?

Back

47

Front

A nucleotide is

Back

the basic unit of DNA and RNA.

Front

Which type of mutation tends to result in bigger changes?

Back

chromosomal

Front

Some point mutations are caused by errors in DNA replication.

Back

True

Front

Mutagens are NOT the only cause of genetic mutations.

Back

True

Front

Mutations are usually harmful, but sometimes have no effect at all.

Back

False