Mutations and Genetic Disorders

Part of a chromosome is repeated

• Gene Mutation

• Point Mutation

• Deletion Mutation

• Duplication Mutation

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Part of a chromosome

is deleted

• Inversion Mutation

• Translocation Mutation

• Deletion Mutation

• Crossing Over

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A change in a gene, group of genes or chromosome that results in a change in the proteins

• Replication

• Mutations

• Translation

• Transcription

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

Condition caused by having an extra chromosome 21 during meiosis.

Individuals have a total of 47 chromosomes.

Also called Trisomy 21.

• Turner Syndrome

• Translocation

• Hemophilia

• Down Syndrome

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Part of one chromosome is transported and attached

to a non-homologous chromosome

• Inversion Mutation

• Translocation Mutation

• Duplication Mutation

• Point Mutation

Tags

NGSS.HS-LS3-2

Mutations that involve parts of or all of

a chromosome

• Replication

• Deletion Mutation

• Chromosomal Mutation

• Transcription

Tags

NGSS.HS-LS3-2

What is an example of a mutagen?

• Radiation

• Fruit flies

• An extra chromosome

• Down syndrome

Tags

NGSS.HS-LS3-2

Which chromosome is affected in the karyotype shown?

• 1

• 6

• 21

• Y

Tags

NGSS.HS-LS3-1

Whole chromosome mutations can occur during

• Meiosis I only

• Meiosis II only

• Both meiosis I and II

• None of these

Sometimes mutations occur when cells are exposed to _________ such as radiation or chemicals

• Mutagens

• Mutations

• Chromatids

• Genetic disorders

Tags

NGSS.HS-LS3-2