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Life Science Spring 2015 Final Pt. 4 Of 5
Test Description: DNA, Genetics Pt. 1
Instructions: Answer all questions to get your test result.
1) How are the four DNA bases typically abbreviated?
A
A, T, C, G
B
Ad, Ur, Cy, Gu
C
A, U, C, G
D
Ad, Th, Cy, Gu
2) Which of the following is NOT a component of DNA?
A
a sugar
B
a nitrogenous base
C
an amino acid
D
a phosphate group
3) nvestigators collect forensic evidence to determine if a crime has been committed. DNA fingerprinting is used to
A
determine the age of the victim.
B
match regular fingerprints.
C
match blood splatter patterns.
D
match suspects with DNA evidence left at the scene of the crime.
4) Which of the following best describes the structure of a typical molecule of DNA?
A
complementary
B
double-stranded
C
helical
D
double-stranded helix
5) Who were the co-discoverers of the double helix structures of DNA (with help from Rosalind Franklin)?
A
Hooke and Watson
B
Crick and Watson
C
Darwin and Lamark
D
Watson and Holmes
6) If one side of a DNA molecule has the nucleotides T, A, C, and G, what are the complementary nucleotides on the opposite side?
A
T, A, C, G
B
C, G, A, T
C
A, T, G, C
D
A, U, G, C
7) What is the genetic material that passes information from one generation to the next?
A
DNA
B
RNA
C
a ribosome
D
a nucleotide
8) Some people fear that genetic engineering may lead to
A
an influx of super-smart people into the world
B
a surplus of food that would disrupt financial markets
C
plants that grow in poor conditions
D
more parents choosing their baby's physical traits
9) Which statement best explains why people suffering from hemophilia A can benefit from genetic engineering?
A
Hemophilia A affects only adults.
B
Hemophilia A is a genetic disorder.
C
Hemophilia A is an incurable disease.
D
Hemophilia A is caused by environmental factors.
10) A scientist that studies a person's genetic makeup is called a
A
chemist
B
biologist
C
geneticist
D
physicist
11) Which of the following conditions is least likely to be improved through genetic engineering?
A
baldness
B
diabetes
C
cancer
D
a broken leg
12) Most of what we know today about ____ is based on Mendel's research.
A
cancer treatment
B
microscopes
C
genetic engineering
D
asexual reproduction
13) An autosomal dominant disorder requires ____ in order to affect an individual.
A
one copy of a mutated gene
B
a combination of genetic and environmental factors
C
a combination of sex-linked and environmental factors
D
two copies of a mutated gene
14) Which is true regarding all X-linked disorders?
A
they are caused by mutations of the X chromosome
B
they result in a longer lifespan
C
they are disorders that affect only women
D
they are linked to an unknown chromosome
15) What are the chances of a father passing a Y-linked disorder to his son?
A
50 percent
B
25 percent
C
100 percent
D
75 percent
*select an answer for all questions
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