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Life Unit Test
Test Description: Life Unit Test
Instructions: Answer all questions to get your test result.
1) Each human cell contains the genes for ________ traits.
A
46
B
one
C
two
D
thousands
2) A mutation in your DNA can lead to ____________________________.
A
cancer
B
strep throat
C
a paper cut
D
cold
3) If an organism is pure dominant, their genotype would be _______________.
A
bb
B
BB
C
Bg
D
Bb
4) If an organism is hybrid, their genotype would be _______________.
A
BB
B
bb
C
BH
D
Bb
5) Variations of a gene are called _________________________.
A
plasmids
B
alleles
C
mutations
D
genes
6) You can be sure of a person's genotype if their phenotype is ______________
A
dominant
B
recessive
C
hybrid
D
brown hair
7) Each of your cells contains the instructions for ________________ genes.
A
46
B
2
C
23
D
thousands of
8) Which of the following is an example of a phenotype?
A
bb
B
Tt
C
BB
D
red hair
9) Plants have the ability to make their own food because they contain this organelle.
A
cell membrane
B
cell wall
C
chloroplast
D
cytoplasm
10) In a DNA molecule the bond that holds the nitrogen bases together is called a _______________
A
hydrogen bond
B
water bond
C
oxygen bond.
D
nitrogen bond
*select an answer for all questions
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