DNA Mutations

_____________: A single linear or circular piece of DNA that contains some or all of an organism’s genes

• DNA

• Gene

• Chromosome

• Chromatin

_____________: A change in the DNA sequence of a chromosome

• Translation

• Replication

• Transcription

• Mutation

Tags

NGSS.HS-LS3-2

Most mutations occur randomly

• True

• False

Tags

NGSS.HS-LS3-2

Examples of environmental factors for mutations are

• harmful chemicals

• exposure to x-rays

• radiation

• mistakes during replication

Tags

NGSS.HS-LS3-2

Mutations cause changes in _____.

• elements

• essential nutrients

• proteins

• fats

Tags

NGSS.HS-LS3-2

Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA

• no mutation
• substitution
• insertion
• deletion

Tags

NGSS.HS-LS3-2

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

• Substitution
• Deletion
• Insertion
• Inversion

If you are missing or have an extra base  at the end of your mutated DNA . What type of mutation occurred?

• Substitution
• Frameshift
• Duplication 
• Insertion

Tags

NGSS.HS-LS3-2

mRNA is read in chunks of three, called...

• quadralets
• anticodons
• codons
• capsids

Original: ATC CAT
Mutation: ATC GCAT
What mutation occurred?

• deletion
• insertion
• silent
• transverse

Tags

NGSS.HS-LS3-2