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