Mutations

Front

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

Back

insertion frameshift

Front

One nucleotide base is changed so only one amino acid is affected.

Back

Point Mutation

Front

A frameshift mutation where a nucleotide base is removed from the DNA sequence.

Back

Deletion Mutation

Front

Are all mutations bad?

Back

No

Front

Mutation

Back

A change in the DNA sequence

Front

Part of a chromosome is repeated

Back

Duplication Mutation

Front

Part of one chromosome is transported and attached to a non-homologous chromosome

Back

Translocation Mutation

Front

Failure of homologous chromosomes to separate during meiosis. Results in gametes with either one extra or one missing chromosome.

Back

Nondisjunction

Front

Condition caused by nondisjunction at pair 21 during meiosis. Individuals have an extra chromosome at pair 21, or a total of 47 chromosomes. Also called Trisomy 21.

Back

Down Syndrome

Front

__________ is a hereditary disease that affects the lungs and digestive system. The body produces thick and sticky mucus that causes persistent lung infections.

Back

cystic fibrosis