Mutations

Question 0

Is the following sentence true or false? Mutations result from changes in a single gene

Answer 0

False

Question 1

What are mutations

Answer 1

Unwanted or unplanned changes in genetic material

Question 2

Mutations that occur at a single point in the DNA sequence are _____ mutations

Answer 2

Point

Question 3

A mutation involving the insertion or deletion of a nucleotide is a

Answer 3

Chromosome (frameshift) mutation

Question 4

What is deletion

Answer 4

The loss of all or part of a chromosome

Question 5

Example of deletion

Answer 5

ABC•DEF–> AC•DEF

Question 6

What is duplication

Answer 6

Produces extra copies of part of a chromosome

Question 7

Example of duplication

Answer 7

ABBC•DEF

Question 8

What is inversion

Answer 8

Part of a chromosome becomes oriented in the reverse of its usual direction

Question 9

Example of inversion

Answer 9

AED•CBF

Question 10

What is translocation

Answer 10

Part of one chromosome breaks off and attaches to another

Question 11

Tatian that cause dramatic changes in protein structure are often

Answer 11

Harmful

Question 12

Mutations are source of _____ in a species

Answer 12

Genetic variability

Question 13

What is a poly ploidy

Answer 13

The condition in which an organism has extra sets of chromosomes