Mutations

What mutation has occurred here?

T-G-A-C-C-A

T-G-A-G-C-A

• Substitution

• Deletion

• Insertion

• Frameshift

DNA molecule segment is : TTACGCAAG

The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.

• Substitution

• Deletion

• Insertion

• Inversion

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

Which type of mutation does the model demonstrate?

• Deletion

• Substitution

• Insertion

• Translocation

Which mutation will cause translation to stop?

• Mutations 1 and 3 only

• Mutation 1 only

• Mutation 2 only

• Muations 1, 2, 3

The chromosomal mutation shown in the image is a

• deletion

• duplication

• inversion

• translocation

The chromosomal mutation shown in the image is a

• deletion

• duplication

• inversion

• translocation

The chromosomal mutation shown in the image is a

• deletion

• duplication

• inversion

• translocation

The chromosomal mutation shown in the image is a

• deletion

• duplication

• inversion

• translocation

The diagram shows the process of crossing over. Which claim about crossing over in chromosomes is best supported by the diagram?

• Crossing over increases genetic diversity through deletion.

• Crossing over decreases genetic diversity through mutation.

• Crossing over increases genetic diversity by creating new combinations of genes.

• Crossing over decreases genetic diversity by inserting nucleotides into gene sequences.