Genes and Mutations

Heredity is the passing of traits from _____________________ to _____________________

• predators to prey

• water to rain

• parents to offspring

• fungi to protists

When one base replaces another, this is a common type of mutation called what?

• Insertion

• Mismatch (Substitution)

• Inversion

• Deletion

When an extra base has been added  to the sequence of bases, this is what type of mutation?

• Substitution

• Deletion

• Inversion

• Insertion

Are all mutations harmful?

• Yes, they are caused by toxic chemicals and radiation

• No, all mutations are beneficial

• Yes, mutations cause fatal diseases

• No, some can rarely be useful

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

• Substitution

• Insertion

• Inversion

• Translocation

What are the building blocks of proteins called?

• DNA

• RNA

• Ribosomes

• Amino Acids

What is the first step in protein synthesis? 
DNA -> mRNA

• transcription

• translation

• replication

• mutation

Identify the INSERTION mutation from the following DNA sequence: 
ATG CCA AAT

• ATG TCA AAT

• ATG CCT AAA T

• ATC CA  AT

• ATG CCA AAT

Identify the DELETION mutation from the following DNA sequence: 
ATG CCA AAT

• ATG TCA AAT

• ATG CCT AAA T

• ATC CA  AT

• ATG CCA AAT

If you are a boy, what percent of your genes did you get from your dad?

• 25%

• 50%

• 75%

• 100%