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Mutations
Test Description: A review of possible test questions dealing with the concept of Mutation
Instructions: Answer all questions to get your test result.
1) Mutations commonly occur when DNA is copied or when a cell is exposed to _________.
A
radiation
B
certain chemicals
C
all of the choices listed here
D
mutagens
2) Mutations that persist and are not corrected, result in formation of new ________________.
A
Cells
B
DNA
C
Genes
D
Alleles
3) Katydids are large insects that look like grasshoppers. Most katydids are green, but roughly 1 in 500 katydids are pink, which makes the pink katydids easy to be seen and captured by birds. Why some katydids are pink?
A
They inherit a beneficial gene that causes their cell to make a pink protein.
B
They inherit a mutation that is considered to be neutral.
C
They got too much sun; it is actually sunburn.
D
They inherit a harmful mutation from their parents.
4) Mutations that occur in ________ ________ can be inherited, but the parent with the mutation is not affected.
A
body cells
B
sex cells
C
parents cells
D
body cells
5) At the dentist you get an X-ray of your teeth, a special shield is placed over your chest. This shield helps to protect some of your cells from the X-rays, which are mutagens. When an X-ray causes a mutation, what is the most common effect?
A
a change in the shape of the cells’ proteins and a change in the person’s traits
B
a change in the cells’ DNA and a change in the person’s traits
C
a change in the cells' DNA, but no change in the person’s traits
D
a change in the shape of the cells’ proteins, but no change in the person’s traits
6) All of the ________________ you see in an organism's traits came originally from mutations.
A
variations
B
mutations
C
parent's traits
D
dominant traits
7) Mutations in body cells are ___________________
A
always able to be seen
B
inherited
C
not inherited
D
quickly repaired
8) With much effort and trial and error, scientists and engineers have designed techniques to create more ________________ mutations in plant seeds and to identify and breed those plants
A
harmful
B
beneficial
C
large
D
harmful
9) A species of rabbit is typically born with grayish-black fur. A fur color mutation causes some rabbits to be born with white fur. This mutation could be beneficial to rabbits living in the:
A
desert
B
tropical rain forest
C
arctic environment
D
arctic environment
10) Genes provide instructions for the body to build ___________, that build traits such as eye color.
A
Mutations
B
DNA
C
Chromosomes
D
Proteins
11) Albinism in crocodiles is a mutation that causes a loss of color in the skin of the animal, making them appear white. Which of the following would most likely occur as a result of this mutation?
A
Albino crocodiles will catch food faster than other crocodiles because they are more visible
B
Albino crocodiles may be easily hunted and may have difficulty catching food as they cannot blend in with their environment
C
Albino crocodiles can reproduce faster than other crocodiles due to their mutation being attractive to the opposite sex
D
Albino crocodiles will live longer than other crocodiles in the population due to the mutation.
12) Genes direct the body how to build proteins
A
false
B
true
13) Which of the following is an example of a mutation that can impact humans in a negative way?
A
brown eyes
B
red hair
C
5 fingers and a thumb
D
colorblindness
14) All mutations are harmful to an organism.
A
false
B
true
15) Which of the following best describes a mutation?
A
A distinguishing quality that can be passed from one generation to another
B
Anything that can deletes a gene
C
A change in a gene
D
A section of a chromosome that codes for a particular trait
*select an answer for all questions
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