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BIO 0005 Test #2

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DNA replication, Mitosis, Meiosis, Genetics, Evolution
Karime Chavolla
Quiz by Karime Chavolla, updated more than 1 year ago
Karime Chavolla
Created by Karime Chavolla over 6 years ago
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Resource summary

Question 1

Question
When an egg and sperm combine, they form a [blank_start]zygote[blank_end].
Answer
  • zygote

Question 2

Question
[blank_start]Mitosis[blank_end] is the type of cell division used to repair damaged skin.
Answer
  • Mitosis

Question 3

Question
A [blank_start]chromosome[blank_end] is a single strand of DNA and it's associated proteins.
Answer
  • chromosome

Question 4

Question
Eight [blank_start]histones[blank_end] come together come together with a strand of DNA to make a nucleosome.
Answer
  • histones

Question 5

Question
DNA must be in it's [blank_start]unpacked[blank_end] state in order to be used for replication.
Answer
  • unpacked

Question 6

Question
[blank_start]Chromatin[blank_end] is the collection of DNA and proteins combined in the nucleus.
Answer
  • Chromatin

Question 7

Question
DNA replication is considered to be [blank_start]semi-conservative[blank_end].
Answer
  • semi-conservative

Question 8

Question
The cell cycle is a sequence of events during which a cell prepares to divide [blank_start]into daughter cells[blank_end].
Answer
  • into daughter cells
  • into sister chromatids
  • into gamets
  • into homologous chromosomes

Question 9

Question
The S phase of mitosis is the event that
Answer
  • sister chromatids join to centromere
  • cytoplasm divides
  • cell gathers materials for DNA replication
  • DNA is replicated

Question 10

Question
At the end of the G2 phase [blank_start]centrosomes[blank_end] form outside the nucleus along with pairs of [blank_start]centrioles[blank_end].
Answer
  • centrosomes
  • centrioles

Question 11

Question
During interphase, chromatin is [blank_start]still uncondensed[blank_end].
Answer
  • still uncondensed
  • forming homologous chromosomes
  • condensed
  • not contained in nucleus anymore

Question 12

Question
Interphase contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Answer
  • 46
  • 92
  • 23
  • 92
  • 23
  • 46

Question 13

Question
Prophase contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Answer
  • 46
  • 23
  • 96
  • 92
  • 46
  • 23

Question 14

Question
Metaphase contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Answer
  • 46
  • 23
  • 96
  • 46
  • 23
  • 92

Question 15

Question
Anaphase contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Answer
  • 92
  • 46
  • 23
  • 92
  • 46
  • 23

Question 16

Question
Telephase contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Answer
  • 46
  • 92
  • 23
  • 92
  • 46
  • 23

Question 17

Question
During prophase, chromatin
Answer
  • Condenses into homologous chromosomes
  • Condenses into sister chromosomes
  • Condenses into sister chromatids
  • Condenses into DNA strands

Question 18

Question
Check off all the events that occur during prophase.
Answer
  • Nuclear envelope breaks apart
  • Chromatin condenses
  • Motor proteins "walk" along microtubules
  • Centrioles push apart to elongate the cell
  • Centrosomes move apart and start forming spindle fibers
  • Sister chromatids float in cytoplasm; attached to microfilaments
  • Chromosomes line up at central plate

Question 19

Question
What is the name of the phase where sister chromatids line up at the central plate (equator of the cell)?
Answer
  • Metaphase
  • Metaphase I
  • Metaphase II

Question 20

Question
Label the following diagram
Image:
Interphase (binary/octet-stream)
Answer
  • S phase
  • G1 phase
  • G2 phase
  • cytokinesis
  • Mitosis
  • interphase
  • cytokinesis
  • mitosis
  • G1 phase
  • G2 phase
  • S phase
  • Interphase
  • S phase
  • G2 phase
  • G1 phase
  • Mitosis
  • Cytokinesis
  • Interphase
  • Mitotic (M) phase
  • Mitotic (M) phase
  • Mitotic (M) phase
  • S phase
  • G1 phase
  • G2 phase
  • Cytokinesis
  • Mitosis
  • Interphase
  • Mitotic (M) phase
  • S phase
  • G1 phase
  • G2 phase
  • Cytokinesis
  • Mitosis
  • Interphase
  • Mitotic (M) phase
  • S phase
  • G1 phase
  • G2 phase
  • Cytokinesis
  • Mitosis
  • Mitotic (M) phase
  • Interphase
  • S pahse
  • G1 phase
  • G2 phase
  • Cytokinesis
  • Mitosis
  • Interphase
  • Mitotic (M) phase

Question 21

Question
Mitosis is a form of [blank_start]asexual[blank_end] reproduction.
Answer
  • asexual

Question 22

Question
Meiosis is a form of [blank_start]sexual[blank_end] reproduction.
Answer
  • sexual

Question 23

Question
Cytokinesis is the last phase of the cell cycle.
Answer
  • True
  • False

Question 24

Question
Interphase is the first phase of the cell cycle.
Answer
  • True
  • False

Question 25

Question
What happens when a cell spends too little time in interphase?
Answer
  • Causes cancer
  • Is treated with radiation
  • Divides really slowly
  • Has no effect on organism

Question 26

Question
Meiosis II is nearly identical to mitosis, except for
Answer
  • meiosis has twice the number of chromosomes as mitosis
  • mitosis has half the number of chromosomes as meiosis
  • meiosis has half the number of chromosomes as mitosis
  • mitosis has twice the number of chromosomes as meiosis

Question 27

Question
During interphase before meiosis; cells are [blank_start]diploid[blank_end] in number with [blank_start]92[blank_end] DNA strands. After meiosis I; cells are [blank_start]haploid[blank_end] with [blank_start]46[blank_end] DNA strands. After meiosis II; cells are [blank_start]haploid[blank_end] with [blank_start]23[blank_end] DNA strands.
Answer
  • diploid
  • 92
  • haploid
  • 46
  • (n)
  • 23

Question 28

Question
Prophase I contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Answer
  • 46
  • 92
  • 23
  • 92
  • 46
  • 23

Question 29

Question
Metaphase I contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Answer
  • 46
  • 92
  • 23
  • 92
  • 46
  • 23

Question 30

Question
Anaphase I; contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Answer
  • 46
  • 92
  • 23
  • 92
  • 46
  • 23

Question 31

Question
Telophase I contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Answer
  • 46
  • 23
  • 92
  • 92
  • 46
  • 23

Question 32

Question
Prophase II; contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Answer
  • 46
  • 23
  • 92
  • 92
  • 46
  • 23

Question 33

Question
Metaphase II; contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Answer
  • 46
  • 92
  • 23
  • 92
  • 46
  • 23

Question 34

Question
Anaphase II; contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Answer
  • 46
  • 92
  • 23
  • 92
  • 46
  • 23

Question 35

Question
Telophase II; contains; [blank_start]46[blank_end] chromosomes and [blank_start]92[blank_end] DNA strands.
Answer
  • 46
  • 92
  • 23
  • 92
  • 46
  • 23

Question 36

Question
Gamete cells are [blank_start]haploid[blank_end] cells with [blank_start]23[blank_end] chromosomes. Somatic cells are [blank_start]diploid[blank_end] cells with [blank_start]46[blank_end] chromosomes.
Answer
  • haploid
  • 23
  • diploid
  • 46

Question 37

Question
When do homologous chromosomes exchange genetic information?
Answer
  • Prophase
  • Prohase I
  • Prohase II

Question 38

Question
What is the name of the phase where homologous chromosomes line up at the central plate (equator of the cell)?
Answer
  • Metaphase
  • Metaphase I
  • Metaphase II

Question 39

Question
Maternal and Paternal chromosomes line up randomly are positioned [blank_start]randomly[blank_end] on either side of the equatorial plate.
Answer
  • randomly

Question 40

Question
At what point are homologous chromosomes considered tetrads?
Answer
  • When they are exchanging genetic information
  • When they are duplicating
  • When they are separating
  • When they are attached via spindle fibers

Question 41

Question
What key events occur during anaphase I
Answer
  • Homologous chromosomes separate to opposite poles of the cell
  • Sister chromatids separate to opposite poles of the cell
  • Daughter chromosomes separate to opposite poles of the cell
  • Spindle fibers elongate the cell
  • Spindle fibers attach to each centrioles pulling on chromosomes
  • Spindle fibers attach to each centromere pulling on chromosomes

Question 42

Question
Interphase occurs between meiosis I and meiosis II
Answer
  • True
  • False

Question 43

Question
What methods are used to treat cancer?
Answer
  • Mastasis
  • Chemotherapy
  • Slashing
  • Surgery
  • Poison
  • Intravenous fluid
  • Radiation

Question 44

Question
A group of interbreeding organisms of the same species.
Answer
  • Population
  • Gene pool
  • Allele frequency
  • Evolution

Question 45

Question
All of the different genes and alleles in a population.
Answer
  • Gene pool
  • Evolution
  • Allele Frequency
  • Population

Question 46

Question
The number of copies of a specific allele relative to all the alleles for the same gene in a population.
Answer
  • Allele frequency
  • Gene pool
  • Population
  • Evolution

Question 47

Question
Evolution occurs at the population level
Answer
  • True
  • False

Question 48

Question
Changes in genetic characteristics of a population over time - potentially creating a new species
Answer
  • Descent with modification
  • Adaptations
  • Evolution
  • Mutation

Question 49

Question
The reproductive success "fitness" of specific alleles causes [blank_start]evolution[blank_end].
Answer
  • evolution

Question 50

Question
[blank_start]Adaptation[blank_end]; features of an organism with a selective advantage.
Answer
  • Adaptation
  • Evolution
  • Natural selection
  • Mutation

Question 51

Question
Cytokinesis is the division of the [blank_start]cytoplasm[blank_end] and the [blank_start]organelles[blank_end].
Answer
  • cytoplasm
  • organelles

Question 52

Question
In a pair of [blank_start]chromosomes[blank_end], there are two [blank_start]chromatids[blank_end] united in the center by a centromere. [blank_start]Sister chromatid[blank_end] is only used during cell division when the structures are in an X-shape (when there are two copies connected by a centromere. When a centromere joins two [blank_start]non-identical[blank_end] copies of a chromosome (one from each parent); they are called [blank_start]homologous chromosomes[blank_end].
Answer
  • chromosomes
  • sister chromatids
  • chromatids
  • homologous chromosomes
  • non-identical
  • chromatids
  • chromosomes
  • sister chromatids
  • homologous chromosomes
  • non-identical
  • Sister chromatid
  • chromosomes
  • chromatids
  • non-identical
  • homologous chromosomes
  • non-identical
  • chromosomes
  • chromatids
  • sister chromatid
  • homologous chromosomes
  • homologous chromosomes
  • chromosomes
  • chromatid
  • sister chromatid
  • non-identical

Question 53

Question
If nondisjunction happened in a species with 10 chromosomes; how many chromosomes would any abnormal gametes have?
Answer
  • 6, 4
  • 9, 1
  • 7, 3
  • 12, 8

Question 54

Question
Label the following diagram; mix of both meiosis and mitosis.
Image:
1 (binary/octet-stream)
Answer
  • Interphase
  • Anaphase I
  • Anaphase or Anaphase II
  • Metaphase I
  • Metaphse or Metaphase II

Question 55

Question
Label the following diagram; mix of both mitosis and meiosis.
Image:
2 (binary/octet-stream)
Answer
  • Cytokinesis/Telophase I
  • Cytokinesis/Telophase II
  • Prophase or prophase II
  • Prophase I

Question 56

Question
Label the following diagram
Image:
Chromosomes (binary/octet-stream)
Answer
  • Sister chromatids
  • Sister chromatids.
  • Alleles
  • Centromere
  • Chromosome
  • Chromosome.
  • Homologous chromosomes

Question 57

Question
Label the following diagram.
Image:
Nondisjunction (binary/octet-stream)
Answer
  • Homologous chromosome
  • sister chromatid
  • Abnormal gametes
  • Normal gametes

Question 58

Question
A gene is a combination of alleles on each chromosome in a homologous pair
Answer
  • True
  • False

Question 59

Question
An allele is different forms of a specific gene.
Answer
  • True
  • False

Question 60

Question
A phenotype is the expressed form of a gene.
Answer
  • True
  • False

Question 61

Question
The term self-fertilization refers to:
Answer
  • Sperm and eggs came from different plants
  • Sperm and eggs came from the same plant
  • Is called a homozygote
  • Is called a heterozygote

Question 62

Question
The term cross-fertilization refers to:
Answer
  • Sperm and eggs came from the same plant
  • Sperm and eggs came from different plants
  • Is a homozygote
  • Is a heterozygote

Question 63

Question
[blank_start]Monohybrid cross[blank_end]: Mating between two organisms that only differ in one characteristic. [blank_start]Dihybrid cross[blank_end]: Mating between two organisms that differ in more than one characteristic. [blank_start]Test cross[blank_end]: An individual of unknown genotype is mated with a homozygous recessive individual.
Answer
  • Monohybrid cross
  • Dihybrid cross
  • Test cross

Question 64

Question
[blank_start]Codominance[blank_end]; a heterozygote individual expresses two different alleles and is neither dominant nor recessive. [blank_start]Incomplete dominance[blank_end]; a heterogote expresses an intermediate phenotype between dominant and recessive.
Answer
  • Codominance
  • Incomplete dominance

Question 65

Question
[blank_start]Multiple alles[blank_end]; a trait that is controlled by more than two different alleles. [blank_start]Pleiotropic genes[blank_end]; have effects on multiple seemingly unrelated traits. [blank_start]Polygenic traits[blank_end]; controlled by two or more sets of alleles. [blank_start]Multifactorial trais[blank_end]; controlled by two or more sets of alleles as well as environmental factors.
Answer
  • Multiple alleles
  • Pleiotropic genes
  • Polygenetic traits
  • Multifactorial traits
  • Pleiotropic genes
  • Multiple alleles
  • Polygenetic traits
  • Multifactorial traits
  • Polygenic traits
  • Multiple alleles
  • Pleiotropic traits
  • Multifactorial traits
  • Multifactorial traits
  • Multiple alleles
  • Pleiotropic genes
  • Polygenic traits

Question 66

Question
Label the following diagram.
Image:
Evolution (binary/octet-stream)
Answer
  • Natural selection
  • Mutation
  • Genetic drift
  • Non-random mating
  • Migration

Question 67

Question
[blank_start]Mutation[blank_end]; produces new alleles which may provide a selective advantage. [blank_start]Natural selection[blank_end]; environmental factors provide differences in reproductive success. [blank_start]Artificial selection[blank_end]; selective breeding for individuals who only have specific desirable features. [blank_start]Sexual selection[blank_end]; selective breeding of individuals of one sex for certain characteristics in the other sex.
Answer
  • Mutation
  • Natural selection
  • Artificial selection
  • Sexual selection
  • Natural selection
  • Mutation
  • Artificial selection
  • Sexual selection
  • Artificial selection
  • Mutation
  • Natural selection
  • Sexual selection
  • Sexual selection
  • Mutation
  • Natural selection
  • Artificial selection

Question 68

Question
Cytokinesis I; contains [blank_start]23[blank_end] chromosomes (in each cell) and [blank_start]46[blank_end] DNA strands.
Answer
  • 23
  • 46
  • 92
  • 46
  • 23
  • 92

Question 69

Question
Cytokinesis II; contains [blank_start]23[blank_end] chromosomes (in each cell) and [blank_start]23[blank_end] DNA strands.
Answer
  • 23
  • 46
  • 92
  • 23
  • 46
  • 92

Question 70

Question
Label the following diagram.
Image:
Natural Selection (binary/octet-stream)
Answer
  • Directional selection
  • Disruptive selection
  • Stabilizing selection
  • One
  • Extreme
  • Intermediate

Question 71

Question
[blank_start]Founder effect[blank_end]; some members migrate to a new location while the original population remains. [blank_start]Bottleneck effect[blank_end]; some members survive while original population is drastically reduced.
Answer
  • Founder effect
  • Bottleneck effect

Question 72

Question
[blank_start]Mutation[blank_end]; change in the nucleotide sequence. [blank_start]Frameshift[blank_end] mutation; changes the reading frame. [blank_start]Point[blank_end] mutation; changes one codon and therefore one amino acid.
Answer
  • Mutation
  • Point
  • Frameshift

Question 73

Question
In pea plants, spherical seeds (S) are dominant to dented seeds (s). In a genetic cross of two plants that are both heterozygous for the seed shape trait, what percentage of the offspring should have spherical seeds.
Answer
  • 100%
  • 25%
  • 50%
  • 75%

Question 74

Question
A phenotypic ratio of 3:1 in the offspring of a mating of two heterozygous organisms for spherical pea shape is expected because:
Answer
  • the alleles segregate during meiosis
  • each allele contains two mutations
  • the alleles are incompletely dominant
  • only recessive traits are scored

Question 75

Question
A genetic cross between two F1-hybrid pea plants for spherical seeds; results in what percentage of seeds expressing wrinkled (recessive) seed shape?
Answer
  • 100%
  • 75%
  • 50%
  • 25%

Question 76

Question
When true-breeding tall stem pea plants are crossed with true breeding short stem pea plants. all of the [blank_start]F1-generation[blank_end] plants, and 75% of the [blank_start]F2-generation[blank_end] plants have tall stems.
Answer
  • F1-generation
  • F2-generation
  • G1-generation
  • G2-generation
  • F2-generation
  • F1-generation
  • G1-generation
  • G2-generation

Question 77

Question
To identify the genotype of yellow-seeded pea plants as either homozygous dominant (YY) or heterozygous (Yy), you could do a test cross with plants of what genotype?
Answer
  • yy
  • YY
  • Yy
  • Test-cross

Question 78

Question
A test cross is used to determine if the genotype of a plant with the dominant phenotype is homozygous or heterozygous. If the unknown is homozygous, all of the offspring of the test cross have the __________ phenotype. If the unknown is heterozygous, half of the offspring will have the __________ phenotype.
Answer
  • dominant, recessive
  • dominant, incompletely dominant
  • recessive, dominant
  • codominant, recessive

Question 79

Question
In Mendel's experiments, if the gene for tall (T) plants was incompletely dominant over the gene for short (t) plants, what would be the result of crossing two Tt plants?
Answer
  • 25% would be tall; 50% would be intermediate; 25% would be short
  • All the offspring would be intermediate
  • 50% would be tall; 25% would be intermediate; 25% would be short
  • 25% would be tall; 25% would be intermediate; 50% would be short

Question 80

Question
A woman with type A blood and a man with type B blood could potentially have offspring with which of the following blood types?
Answer
  • Type A
  • Type B
  • Type AB
  • Type O
  • All options are possible

Question 81

Question
What are the possible blood types of the offspring of a cross between individuals that are type AB and type O?
Answer
  • AB or O
  • A, B, or O
  • A or B
  • A, B, or AB

Question 82

Question
A genetic cross of inbred snapdragons with red flowers with inbred snapdragons with white flowers resulted in F1-hybrid offspring that all had pink flowers. When the F1 plants were self-pollinated, the resulting F2-generation plants had a phenotypic ratio of 1 red: 2 pink: 1 white. The most likely explanation is:
Answer
  • This is an example of multifactorial traits
  • This is an example of polygenetic inheritance
  • This is an example of incomplete dominance
  • This is an example of codominance
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