Chap 001
Chap 001
Chap 001
Chapter 01
Overview of Genetics
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Chapter 01 - Overview of Genetics
nucleic acids
B.
lipids
C.
carbohydrates
D.
enzymes
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McGraw-Hill Education.
Chapter 01 - Overview of Genetics
5. The structure of a cell that contains the genetic information is called a ___________.
A. nucleotide
B. genetic code
C. chromosome
D.
nucleic acid
6. If a carbohydrate is going to be broken down for energy, which of the following molecules
would be directly involved in the breakdown?
A.
catabolic enzymes
B.
nucleotides
C.
anabolic enzymes
D.
lipids
E.
chromosomes
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Chapter 01 - Overview of Genetics
9. If a geneticist is studying the prevalence of a trait in a species, they are at the _________
level of study.
A. population
B. organismal
C. cellular
D. molecular
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Chapter 01 - Overview of Genetics
10. The study of the processes of transcription and translation is at the _____ level of
biological organization.
A. population
B. organismal
C. cellular
D. molecular
morphological differences
B.
variations in nucleotide sequence of the DNA
C.
carbohydrate content of the cell
D.
translation
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Chapter 01 - Overview of Genetics
12. A species that contains two copies of each chromosome is called _______.
A. a genetic mutation
B. a morph
C. haploid
D. diploid
E. alleles
13. A cell that makes up the body structure of an organism and is diploid is _______.
A. a gamete
B. a somatic cell
C. an allele
D. rare
E. a sperm cell
14. In many organisms, one set of chromosomes comes from the maternal parent, while the
other set comes from the paternal parent. Similar chromosomes in these sets are said to be
_________.
A. morphs
B. alleles
C. haploid
D. homologues
E. physiological traits
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Chapter 01 - Overview of Genetics
15. In humans, gametes are different than other cells of the body in that they are _________.
A. diploid
B. haploid
C. genetic mutations
D. morphs
16.
Natural selection is
A.
when nongenetically based traits are passed from one generation to the next.
B.
a process that allows traits to remain the same over many generations.
C.
a process where environmental constraints enable some phenotypes to be more sucessful than others.
D.
when one phenotype is as sucessful as all other pehontypes.
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Chapter 01 - Overview of Genetics
18. The differences in inherited traits among individuals in a population are called _______.
A. species variation
B.
genetic mutations
C. genetic variation
D. natural selection
19. Three populations of an organism, each with drastically different external markings, but
still members of the same species, would be called _______.
A. homologs
B. mutants
C. communities
D. alleles
E. morphs
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Chapter 01 - Overview of Genetics
20. Which one of the following is NOT one of the general classes of macromolecules that are
necessary for cellular function?
A.
nucleic acids
B.
proteins
C.
ions
D.
carbohydrates
E.
lipids
21. The changes in the genetic makeup of a population over time is called _______.
A. homologous recombination
B. model organisms studies
C. genetic crosses
D. biological evolution
E. hypothesis testing
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Chapter 01 - Overview of Genetics
22.
Which of the following could be used to study the effects of drugs on gene expression?
A.
population genetics
B.
transmission genetics
C.
molecular genetics
D.
quantitative genetics
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Chapter 01 - Overview of Genetics
23. Which of the following uses a genetic cross to determine patterns of inheritance?
A.
population genetics
B.
transmission genetics
C.
molecular genetics
D.
evolutionary genetics
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Chapter 01 - Overview of Genetics
24.
The traits of an individual organism can be influenced by both genes and the
A.
genome.
B.
environment.
C.
population size.
D.
genetic variation within a population.
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Chapter 01 - Overview of Genetics
25.
Most cellular structure and function is due to the expression or synthesis of different
A.
DNA.
B.
carbohydrates.
C.
lipids.
D.
proteins.
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Chapter 01 - Overview of Genetics
26.
A.
hypotheses are tested by the performance of experiments.
B.
hypotheses are tested by reviewing the literature to see what others have found.
C.
no hypotheses are accepted or rejected unless they are voted on by a council of scientists.
D.
it does not rely on observations but only hypothesis testing experiments.
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Chapter 01 - Overview of Genetics
27.
Performing a mating of two plants, one with a known genotype and the other with an unknown genotype, to determine the
genotype of the individual with the unknown genotype would be an example of
A.
discovery-based science.
B.
hypothesis testing.
C.
unethical experimentation.
D.
an impossible experiment.
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