Question

A DNA segment has base order AGC TTA TCG. Which copy exhibits a frameshift mutation through deletion?(1 point)

Responses

AGC TTT CG
AGC TTT CG

AGC TTA TAG
AGC TTA TAG

AGC TCG
AGC TCG

TTA TCG

Answer 1

[AI-generated answer — Bot GPT 3.5]

TTA TCG

Answer 2

Question

A DNA segment has base order CCC ATA GCT. Which copy exhibits a deletion in the first codon triplet and then a substitution mutation?(1 point)
Responses

CCC TAG CT
CCC TAG CT

CCA ATA GCT
CCA ATA GCT

CCA TAA CT
CCA TAA CT

CCA TAG CT

Answer 3

[AI-generated answer — Bot GPT 3.5]

CCA TAG CT

Answer 4

Which type of mutation causes cystic fibrosis?(1 point)

Responses

silent
silent

substitution
substitution

deletion
deletion

insertion

Answer 5

[AI-generated answer — Bot GPT 3.5]

deletion

Answer 6

Which statement about chromosomes is true?(1 point)

Responses

Chromosomes contain DNA.
Chromosomes contain DNA.

DNA contains chromosomes.
DNA contains chromosomes.

The same number of chromosomes appears in haploid and body cells.
The same number of chromosomes appears in haploid and body cells.

Chromosomes are found in sets of three.

Answer 7

[AI-generated answer — Bot GPT 3.5]

Chromosomes contain DNA.

Answer 8

If a cell has two copies of each chromosome, which type of cell is it?(1 point)

Responses

a gamete
a gamete

a haploid cell
a haploid cell

an egg
an egg

a diploid cell

Answer 9

[AI-generated answer — Bot GPT 3.5]

a diploid cell