Genetics & Genetic Engineering

A genome is

• part of a chromosome
• a gene inserted into a chromosome of bacteria
• a sequence of units in a short segment of DNA
• the complete sequence of an organism’s DNA  
  

Freckles (F) are dominant over nonfreckles.   What is the phenotype of individual #3

• Ff
• ff
• freckles 
• nonfreckles 

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

Identify what type of mutation occurred:

Normal = ATA - CCC - ATC - GTC - ACT

Mutated = ATA - CCC - ACC - GTC - ACT

• Silent

• Substitution

• Insertion

• Deletion

Tags

NGSS.HS-LS3-2

Identify what kind of mutation occurred:

AAA - TTC - CCG - GGG

AAA - TTT - CCC - GGG - G

• Nonsense

• Point Substitution

• Insertion

• Deletion

Tags

NGSS.HS-LS3-2

A substitution mutation is what type of mutation?

• Point

• Frameshift

• Silent

Tags

NGSS.HS-LS3-2

A mutation is any change in ____ to an organism.

• Gametic

• Personality

• DNA base sequence

• Cells

Tags

NGSS.HS-LS3-2

What type of mutation occurs when a single nucleotide is substituted for another?

• Silent

• Missense

• Point Mutation

• Frameshift mutation

Tags

NGSS.HS-LS3-2

Insertions and deletions are what type of mutation?

• Strong mutations

• Frameshift mutations

• Point Mutations

• Nonsense mutations

Tags

NGSS.HS-LS3-2

Which answer shows a gene sequence that has undergone a substitution mutation. The normal sequence is ACTTTTGCAACTTCA

• ACTTTTTGCAACTTCA

• ACTTTGCAACTTCA

• ACTTTTCCAACTTCA

• ACTTTTGCAACTTCA

Tags

NGSS.HS-LS3-2

Which type of mutation is normally more severe because they affect more than one codon?

• Point Mutations

• Substitution mutations

• mutations where A's are replaced with T's

• Frameshift Mutaitons