Gene Mutations

Mutations

Multiple Choice

Which of the following is an example of a beneficial mutation?

• When an organism's lifespan becomes shorter.

• When an organism becomes unable to reproduce.

• When an organism's body becomes deformed.

• When an organism develops immunity to a disease.

Multiple Choice

A permanent change in the DNA sequence

which can affect a single gene or group of genes

• Homeostasis

• Somatic Cell

• Chromosomal Mutation

• Gene Mutation

Multiple Choice

What are sections of DNA called?

• DNA

• Genes

• Chromosomes

• Nucleus

Multiple Choice

Which of the following images is a SUBSTITUTION?

Multiple Choice

ATTTGAGCC- Original
ATTGAGCC - Mutated
The example above is an example of a 

• Insertion- Frameshift
• Deletion- Substitution
• Deletion -Frameshift
• All of the above

Multiple Choice

Which of the following images is a DELETION?

Multiple Choice

Which of the following statements is a DELETION?

• Produces an extra copy of all or part of a chromosome.

• Reverses the direction of parts of a chromosome.

• Involves the loss of all or part of a chromosome.

• Occurs when part of one chromosome breaks off and attaches to another.

Multiple Select

Some of the most harmful mutations are those that ...

• dramatically change protein structure.

• those that are repetitive in nature.

• those that change gene activity.

• those that are found in plants only.

Multiple Choice

one nucleotide (think letter in a sentence) is replaced with a different nucleotide

• addition

• substitution(point)

• deletion

• inversion

Multiple Choice

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

• Substitution
• Deletion
• Insertion
• Inversion

Multiple Choice

A rabbit that has short deformed legs and cannot jump or run fast would have a____

• Harmful mutation
• Beneficial mutation
• Neutral mutation
• normal life

Multiple Choice

A mutation is a change in an organism's _____________.

• Cell

• DNA

• Phenotype

• Ribosome

Multiple Choice

Which shows a mutated segment of DNA? 
ATTCGC

• UAAGCG
• TAAGCG
• TAGGCG