Genetics Analysis and Principles
7th Edition Brooker Test Bank
MULTIPLE CHOICE – Choose the one alternative that
best completes the statement or answers the question.
1) The basic unit of heredity is the .
A) individual
B) gene
C) macromolecule
D) trait
E) none of the
answers are correct
2) A variation of a gene is called a(n) .
A) species
B) morph
C) genome
D) allele
E) proteome
3) Which of the following acts to accelerate chemical
reactions in a cell?
A) Nucleic acids
B) Lipids
C) Carbohydrates
D) Enzymes
E) DNA
4) The building blocks of DNA are .
A) amino acids
B) carbohydrates
C) enzymes
D) nucleotides
E) lipids
5) If a carbohydrate is going to be broken down for
energy, which of the following molecules would be directly
A) Catabolic enzymes
involved in the
breakdown?
B) Nucleotides
C) Anabolic
enzymes
D) Lipids
E) Chromosomes
6) RNA is formed by the process of .
A) transcription
B) translation
C) both transcription and translation
D) Replication
7) A characteristic that an organism displays is called
.
A) a gene
B) a chromosome
C) DNA
D) gene
expression
E) a trait
8) The level of study of genetics where the prevalence of
a trait in a species is investigated is known as .
A) population genetics
B) organismal genetics
C) cellular genetics
D) molecular
genetics
9) The study of the processes of transcription and
translation is at what level of biological organization?
A) Population
B) Organismal
C) Cellular
D) Molecular
10) Alternate versions
of a specific gene are
called .
A) nucleotides
B) chromosomes
C) alleles
D) traits
11) Genetic variation is ultimately based upon which of
the following?
A) Morphological differences
B) Small variations in nucleotide sequence of the
C) Carbohydrate
content of the cell
D) Translation
DNA
12) An organism whose cells 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
traits
D) homologs
E) physiological
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) Which of the following is correct regarding natural
selection?
A) It is not based on competition for resources
B) Beneficial traits are not passed on to the next
generation
C) It does not enable a species to become better
adapted to its environment
D) It may
drastically change a
species over time
17) The use of a gene sequence to synthesize a functional
protein is known as .
A) loss-of-function mutation
B) gene expression
C) the human
genome project
D) proteomics
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