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Genetic Mutations
Test Description: 7.L.4A.5
Instructions: Answer all questions to get your test result.
1) any change in the genes of an organism
A
genotype
B
mutation
2) Mutations can occur randomly or can be the result of
A
your genes
B
your environment
3) Mutations can have a ______ effect on the organism
A
all of the above
B
neutral
C
harmful
D
beneficial
4) sickle cell anemia disease is ______ if you have that disorder-two recessive alleles.
A
neutral
B
all of the above
C
helpful
D
harmful
5) If you are a carrier, (heterozygous), of sickle cell you are protected from _______.
A
all of the above
B
cancer
C
Malaria
D
genetic disorders
6) Most mutations are automatically repaired by the body’s ______ and therefore have no effect.
A
enzymes
B
somatic cells
7) If the mutant cell is a ________ and not repaired the daughter cells can be affected
A
dominate allele
B
somatic cell
8) If the mutant cell is a_____ the altered DNA will be transmitted to the embryo (baby).
A
body cell
B
gamete
9) ________ contribute to the aging process or the development of cancer
A
Gamete cell mutations
B
Body/somatic cell mutations
10) ______may result in phenotypes that help a species to increase in a population.
A
Beneficial mutations
B
all of the above
C
Harmful mutations
D
Neutral mutations
*select an answer for all questions
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