Heredity and Mutations

A molecule that carries the genetic codes for all living things

• nucleus

• DNA

• NaCl

• mitochondria

The basic unit of heredity in a living organism; a segment of DNA or RNA

• gene

• chromatin

• nucleus

• mutation

Macromolecule (large molecule) composed of one or more chains of amino acids

• NaCl

• chromosome

• protein

• MgO

A ______________ is a change in the sequence of DNA

• gene

• antigen

• mutation

• antibody

What point mutation changes one base?

• Substitution

• Insertion

• Deletion

What point mutation adds one base?

• Substitution

• Deletion

• Insertion

What point mutation removes one base?

• Deletion

• Insertion

• Substitution

Which types of point mutations mess up several amino acids?

• Insertion

• Substitution

• Deletion

• Silent

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

• deletion frameshift
• insertion frameshift
• substitution
• nonsense

What type of gene mutation has occurred here? 
T-G-A-C-C-A
T-G-A-C-C-A-A

• Base Substitution
• Base Deletion
• Base Insertion
• Frameshift