Genetic Mutations

What type of reproduction occurs when a single parent copies its genetic material and forms an offspring?

What type of reproduction occurs when two parents each contribute half of the offspring's genetic material?

A permanent change in an organism's DNA is called a(n) ___

• allele

• genetic mutation

• recessive trait

• error dominance

(a)   are a unit of hereditary characteristics that are passed from parent to offspring

A _____ occurs when one nucleotide base replaces another in a DNA sequence.

• nucleic substitution

• enzyme mutation

• one-time substitution

• substitution mutation

A ____ mutation occurs when part of the chromosome or a portion of the gene gets deleted.

• deletion

• substitution

• double helix

• dominant

In duplication, a section of the ___ duplicates itself, resulting in two copies of the section.

• RNA

• enzyme

• DNA

• protein

____ occurs when a new base is added into an existing gene.

• Insertion

• Duplication

• Deletion

• Substitution

Insertion leads to a change in the ____ sequence, resulting in the formation of altered ____ products.

• protein, DNA

• DNA, protein

• allele, fatty acid

• RNA, protein

What happens in an inversion mutation?

• a mutation generates new genetic material

• there's an addition of a single nucleotide or a part of the chromosome

• a piece of chromosome breaks off and is reinserted, but in the reverse direction

• a segment of the chromosome exchanges itself with a segment of another chromosome