Quiz about DNA Mutations Review

Question 1

What is the basic shape of DNA?

Accepted Answer

Double helix

Answer

Single stranded

Answer

triple stranded

Question 2

A ______ is a section of DNA that codes for a trait.

Accepted Answer

gene

Answer

genotype

Answer

phenotype

Answer

gender

Question 3

Examples of environmental factors for mutations are

Accepted Answer

radiation

Accepted Answer

exposure to x-rays

Accepted Answer

harmful chemicals

Answer

mistakes during replication

Question 4

Mutations cause changes in _____.

Accepted Answer

proteins

Answer

elements

Answer

essential nutrients

Answer

fats

Question 5

Mutations are always harmful.

Accepted Answer

False

Answer

True

Question 6

Most genes contain code to make

Accepted Answer

protein

Answer

cookies

Answer

mutations

Answer

adaptations

Question 7

What pairs with Adenine (A)?

Accepted Answer

Thymine (T)

Answer

Guanine (G)

Answer

Cytosine (C)

Answer

Adenine (A)

Question 8

What pairs with Guanine (G)?

Accepted Answer

Cytosine (C)

Answer

Adenine (A)

Answer

Thymine (T)

Answer

Guanine (G)

Question 9

Any change in the sequence of DNA is...

Accepted Answer

Mutation

Answer

transgenic shift

Answer

Single Genotype

Answer

Monohybrid Trait

Question 10

3 nucleotide bases form code to make _________________.

Accepted Answer

amino acids

Answer

proteins

Answer

DNA

Answer

mutations

Question 11

Amino acids form a chain to make ______________.

Accepted Answer

protiens

Answer

ladders

Answer

nucleotides

Answer

steak

Question 12

Some mutations cause no apparent change to an organism.

Accepted Answer

True

Answer

False

Question 13

Some mutations are beneficial for the organism.

Accepted Answer

True

Answer

False

Question 14

Original: ATC CAT
Mutation: ATC GCAT
What mutation occurred?

Accepted Answer

insertion

Answer

deletion

Answer

silent

Answer

transverse

Question 15

What mutation has occurred here?
T-G-A-C-C-A
T-G-A-G-C-A

Accepted Answer

Substitution

Answer

Deletion

Answer

Insertion

Answer

Frameshift

Question 16

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

Accepted Answer

Deletion

Answer

Substitution

Answer

Insertion

Answer

Inversion

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