Mutations/Karyotype

What mutation has occurred here?

T-G-A-C-C-A

T-G-A-G-C-A

• Substitution

• Deletion

• Insertion

• Frameshift

A mutation is defined as:

• A change in the cell's structure

• Anything that changes in an embryo

• Any change in the physical features of a human

• A change in the DNA sequence

ATTTGAGCC- Original

ATTGAGCC - Mutated

The example above is an example of a

• Insertion- Frameshift

• Deletion- Substitution

• Deletion -Frameshift

• All of the above

Review

A ________ is a small section of DNA that codes for a protein.

• chromatid

• gene

• subset

• jean

What type of mutation is this?

• Duplication

• Inversion

• Deletion

• Translocation

• none

What type of mutation is this?

• Duplication

• Inversion

• Deletion

• Translocation

• none

Identify the mutation in the picture.

• Deletion
• Inversion
• Duplication
• Translocation

Duplication

• A

• B

• C

• D

• E

The chromosomal mutation shown in the image is a

• deletion

• duplication

• inversion

• translocation

The karyotype diagram below represents a human male. Chromosomal analysis of this karyotype reveals the abnormality in this karyotype is:

• a missing X chromosome

• a missing Y chromosome

• an extra 21 chromosome

• missing chromosome #9