BSC 170 Exam 3 UPDATED ACTUAL
Exam Questions and CORRECT Answers
Which of the following is true with respect tot the randomness associated with evolution through
natural selection? - CORRECT ANSWER - The mutation of a gene is random, but the
selection of a favorable trait is not random
Why do scientist mean when they use the word theory? - CORRECT ANSWER -
Comprehensive explanation for how something works that has been well-supported by research
What are transitional fossils? - CORRECT ANSWER - Fossils that represent intermediate
forms between two organisms (Missing links)
What is the name for the argument against evolution through natural selection that states that
some complex structures such as the human eye, require coordination of so many specific
molecules that there is no selectable advantage to having intermediate forms of the structure that
do not perform as well as the current version? - CORRECT ANSWER - Irreducible
Complexity
The most basic definition of evolution is change in ___ within a population overtime -
CORRECT ANSWER - Allele Frequency
The theory of evolution through natural selection has the same amount of supporting scientific
research as does the theory of gravity - CORRECT ANSWER - True
Natural Selection can select for traits involved in which types of processes? - CORRECT
ANSWER - Traits that increase ability to avoid predators, Attract a mate, provide for your
offspring. (All of the above)
Which scientist wrote a book on the origin of the species? - CORRECT ANSWER -
Darwin
, Which of the following crop plants has been unaltered by human modifications? - CORRECT
ANSWER - Corn, Bananas, Carrots (All of these plants)
What does GMO stand for? - CORRECT ANSWER - Genetically Modified Organism
Which of the following is the most precise term to use when describing an organism that has
DNA from a closely related organism introduced into its genome by a researcher? - CORRECT
ANSWER - Cisgenic Organism
Which of the following is the most precise term to use when describing an organism that has a
foreign DNA introduced into its genome by a researcher? - CORRECT ANSWER -
Transgenic Organism
Which of the following is true with respect to the safety of GMO crops? - CORRECT
ANSWER - The vast majority of scientists and scientific organizations recognize GMO's
as safe
What is the most inability of chromosomes to separate accurately during meiosis is called? -
CORRECT ANSWER - Non-Disjunction
Which of the following genetic descriptions is most consistent with Down syndrome? -
CORRECT ANSWER - Trisomy 21
Which of the following chromosomal event results in an increase in the amount of genetic
material in an organism? - CORRECT ANSWER - Duplication
What is an Aneuploidy? - CORRECT ANSWER - An incorrect number of chromosomes,
such as having 47 chromosomes
Which of the chromosomal altercations involves a fragment of a chromosomal flipping its
orientation, but staying in the same location on the chromosome? - CORRECT
ANSWER - Trans location
Exam Questions and CORRECT Answers
Which of the following is true with respect tot the randomness associated with evolution through
natural selection? - CORRECT ANSWER - The mutation of a gene is random, but the
selection of a favorable trait is not random
Why do scientist mean when they use the word theory? - CORRECT ANSWER -
Comprehensive explanation for how something works that has been well-supported by research
What are transitional fossils? - CORRECT ANSWER - Fossils that represent intermediate
forms between two organisms (Missing links)
What is the name for the argument against evolution through natural selection that states that
some complex structures such as the human eye, require coordination of so many specific
molecules that there is no selectable advantage to having intermediate forms of the structure that
do not perform as well as the current version? - CORRECT ANSWER - Irreducible
Complexity
The most basic definition of evolution is change in ___ within a population overtime -
CORRECT ANSWER - Allele Frequency
The theory of evolution through natural selection has the same amount of supporting scientific
research as does the theory of gravity - CORRECT ANSWER - True
Natural Selection can select for traits involved in which types of processes? - CORRECT
ANSWER - Traits that increase ability to avoid predators, Attract a mate, provide for your
offspring. (All of the above)
Which scientist wrote a book on the origin of the species? - CORRECT ANSWER -
Darwin
, Which of the following crop plants has been unaltered by human modifications? - CORRECT
ANSWER - Corn, Bananas, Carrots (All of these plants)
What does GMO stand for? - CORRECT ANSWER - Genetically Modified Organism
Which of the following is the most precise term to use when describing an organism that has
DNA from a closely related organism introduced into its genome by a researcher? - CORRECT
ANSWER - Cisgenic Organism
Which of the following is the most precise term to use when describing an organism that has a
foreign DNA introduced into its genome by a researcher? - CORRECT ANSWER -
Transgenic Organism
Which of the following is true with respect to the safety of GMO crops? - CORRECT
ANSWER - The vast majority of scientists and scientific organizations recognize GMO's
as safe
What is the most inability of chromosomes to separate accurately during meiosis is called? -
CORRECT ANSWER - Non-Disjunction
Which of the following genetic descriptions is most consistent with Down syndrome? -
CORRECT ANSWER - Trisomy 21
Which of the following chromosomal event results in an increase in the amount of genetic
material in an organism? - CORRECT ANSWER - Duplication
What is an Aneuploidy? - CORRECT ANSWER - An incorrect number of chromosomes,
such as having 47 chromosomes
Which of the chromosomal altercations involves a fragment of a chromosomal flipping its
orientation, but staying in the same location on the chromosome? - CORRECT
ANSWER - Trans location
