Gene Mutations

Question 0

Mutagens

Answer 0

Something outside the body

Question 1

Gene Mutations

Answer 1

• Change in DNA sequence ( Order of nucleotides ) = change in proteins ( order of amino acids )
• Increase genetic variation
• Can be good or bad
• Caused by Mutagens

Question 2

Frameshift Mutation

Answer 2

• 1 out of 2 that gene mutation separates into
• adding or deleting nucleotides
• Affects ever amino acid following the mutation
ex:
ORIGINAL: AUG|CCT
MUTATION: AUC|CT

Question 3

Deletion

Answer 3

• Subtracing a nucleotide in the bad sequence
• 1 out of 2 groups Frameshift separates into
ex: ABCDEF
ABDEF

Question 4

Insertion

Answer 4

• Adding a nucleotide into a DNA strand
• 1 out of 2 that frameshift separates into
ex: ABCDEF
ABOCDEF

Question 5

Translocation

Answer 5

• Taking a section of DNA from another part
• 1 out of 2 that insertion separates into
ex: ABCDEF
ABCXYZ

Question 6

Duplication

Answer 6

• Duplicating a nucleotide in the base sequence
ex: ABCDEF
ABCCDEF

Question 7

Point Mutation

Answer 7

• Change in 1 or few nucleotides
• affects only the amino acids at the mutation
• amino acids before or after remain the same
• 1/2 that gene mutation can separate into
ex: AUG|CCT
AAG|CCT

Question 8

Substitution

Answer 8

• substitutes a nucleotide for another
• 1/2 point mutation can separate into
ex: ABCDEF
ABODEF

Question 9

Inversion

Answer 9

• Fliping/inserting a section of nucleotides
•1/3 point separates into
ex: ABCDEF
ABEDCF

Question 10

Silent

Answer 10

• The mutation codes for the same amino acid as the original strange

Question 11

Missense

Answer 11

• +1 amino acids are changed which may cause a malfunctioning problem

Question 12

nonsense

Answer 12

• Mutation results in a stop codon resulting in a shortened protein