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Bio B Review 2
Test Description: 2nd review
Instructions: Answer all questions to get your test result.
1) The founder of modern evolutionary theory is considered to be ______.
A
Mrs. Vaughn
B
Charles Darwin
C
Alexander Oparin
D
Bill Nye
2) The blood types A, B, AB, and O are the result of ______ inheritance.
A
simple recessive
B
simple dominant
C
polygenic
D
multiple allelic
3) Leaves appear green because the green portion of the light that strikes them is ______.
A
nobody knows why
B
absorbed
C
magic
D
reflected
4) The process by which a DNA molecule is copied is called _______.
A
replication
B
binary fission
C
mitosis
D
meiosis
5) A child has a rare genetic disorder. Neither parent has this disorder. How did the child inherit it?
A
The disorder is a natural phenomenon
B
The disorder is recessive and carried by both parents.
C
It is a sex linked trait
D
The disorder is dominant and carried by a parent
6) Individuals with Huntington's disease _______.
A
must have frequent transfusions because their blood lacks a clotting factor
B
find breathing difficult and suffer frequent lung infections
C
suffer from a form of aneuploidy
D
undergo progressive deterioration of the nervous system
7) What is the main purpose of the Calvin Cylce or dark reaction?
A
split water
B
destroy CO2
C
produce ATP
D
make sugar
8) Upon close examination of the skeleton of an adult python, a pelvic girdle and leg bones can be observed. these features are an example of _____.
A
analogous structure
B
homologous structure
C
vestigial structure
D
building structure
9) The gamete that contains genes contributed only by the mother is _______.
A
egg
B
genotypes
C
sperm
D
phenotypes
10) What type of selection favors one extreme trait?
A
disruptive selection
B
stabilizing selection
C
natural selection
D
directional selection
11) What type of selection favors average individuals?
A
natural selection
B
directional selection
C
stabilizing selection
D
disruptive selection
12) Hemophilia and color blindness are ________.
A
can be cured
B
located on the Y chromosome
C
caused by a dominant gene
D
sex-linked conditions
13) What is the end result of frameshift mutation?
A
there will be no affect
B
the organism will die
C
only one amino acid will change
D
nearly every amino acid in the protein will be changed
14) A phenotype that results from a dominant allele must have at least ___ dominant allele(s) present in the parent(s).
A
four
B
two
C
ten
D
one
15) Gel electrophoresis is a technique used to _____.
A
separate DNA by charge and length
B
cut DNA into fragments of various sizes
C
clone
D
inject foreign DNA into animals
16) An adaptation that allows an organism to blend into it's environment is _____.
A
magic
B
artificial selection
C
mimicry
D
camouflage
17) Cells containing two alleles for each trait are described as _____.
A
diploid
B
homozygous
C
heterozygous
D
haploid
*select an answer for all questions
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