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Flashcards in Mutations Deck (14)
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0

What are mutations

Unwanted or unplanned changes in genetic material

1

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

False

2

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

Point

3

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

Chromosome (frameshift) mutation

4

What is deletion

The loss of all or part of a chromosome

5

Example of deletion

ABC•DEF--> AC•DEF

6

What is duplication

Produces extra copies of part of a chromosome

7

Example of duplication

ABBC•DEF

8

What is inversion

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

9

Example of inversion

AED•CBF

10

What is translocation

Part of one chromosome breaks off and attaches to another

11

Tatian that cause dramatic changes in protein structure are often

Harmful

12

Mutations are source of _____ in a species

Genetic variability

13

What is a poly ploidy

The condition in which an organism has extra sets of chromosomes