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BIO 0005 Test #2

Descrição

DNA replication, Mitosis, Meiosis, Genetics, Evolution
Karime Chavolla
Quiz por Karime Chavolla, atualizado more than 1 year ago
Karime Chavolla
Criado por Karime Chavolla mais de 6 anos atrás
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Resumo de Recurso

Questão 1

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

Questão 2

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

Questão 3

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

Questão 4

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

Questão 5

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

Questão 6

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

Questão 7

Questão
DNA replication is considered to be [blank_start]semi-conservative[blank_end].
Responda
  • semi-conservative

Questão 8

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

Questão 9

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

Questão 10

Questão
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].
Responda
  • centrosomes
  • centrioles

Questão 11

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

Questão 12

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

Questão 13

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

Questão 14

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

Questão 15

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

Questão 16

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

Questão 17

Questão
During prophase, chromatin
Responda
  • Condenses into homologous chromosomes
  • Condenses into sister chromosomes
  • Condenses into sister chromatids
  • Condenses into DNA strands

Questão 18

Questão
Check off all the events that occur during prophase.
Responda
  • 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

Questão 19

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

Questão 20

Questão
Label the following diagram
Image:
Interphase (binary/octet-stream)
Responda
  • 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

Questão 21

Questão
Mitosis is a form of [blank_start]asexual[blank_end] reproduction.
Responda
  • asexual

Questão 22

Questão
Meiosis is a form of [blank_start]sexual[blank_end] reproduction.
Responda
  • sexual

Questão 23

Questão
Cytokinesis is the last phase of the cell cycle.
Responda
  • True
  • False

Questão 24

Questão
Interphase is the first phase of the cell cycle.
Responda
  • True
  • False

Questão 25

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

Questão 26

Questão
Meiosis II is nearly identical to mitosis, except for
Responda
  • 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

Questão 27

Questão
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.
Responda
  • diploid
  • 92
  • haploid
  • 46
  • (n)
  • 23

Questão 28

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

Questão 29

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

Questão 30

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

Questão 31

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

Questão 32

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

Questão 33

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

Questão 34

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

Questão 35

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

Questão 36

Questão
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.
Responda
  • haploid
  • 23
  • diploid
  • 46

Questão 37

Questão
When do homologous chromosomes exchange genetic information?
Responda
  • Prophase
  • Prohase I
  • Prohase II

Questão 38

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

Questão 39

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

Questão 40

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

Questão 41

Questão
What key events occur during anaphase I
Responda
  • 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

Questão 42

Questão
Interphase occurs between meiosis I and meiosis II
Responda
  • True
  • False

Questão 43

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

Questão 44

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

Questão 45

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

Questão 46

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

Questão 47

Questão
Evolution occurs at the population level
Responda
  • True
  • False

Questão 48

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

Questão 49

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

Questão 50

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

Questão 51

Questão
Cytokinesis is the division of the [blank_start]cytoplasm[blank_end] and the [blank_start]organelles[blank_end].
Responda
  • cytoplasm
  • organelles

Questão 52

Questão
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].
Responda
  • 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

Questão 53

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

Questão 54

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

Questão 55

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

Questão 56

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

Questão 57

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

Questão 58

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

Questão 59

Questão
An allele is different forms of a specific gene.
Responda
  • True
  • False

Questão 60

Questão
A phenotype is the expressed form of a gene.
Responda
  • True
  • False

Questão 61

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

Questão 62

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

Questão 63

Questão
[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.
Responda
  • Monohybrid cross
  • Dihybrid cross
  • Test cross

Questão 64

Questão
[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.
Responda
  • Codominance
  • Incomplete dominance

Questão 65

Questão
[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.
Responda
  • 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

Questão 66

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

Questão 67

Questão
[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.
Responda
  • 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

Questão 68

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

Questão 69

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

Questão 70

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

Questão 71

Questão
[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.
Responda
  • Founder effect
  • Bottleneck effect

Questão 72

Questão
[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.
Responda
  • Mutation
  • Point
  • Frameshift

Questão 73

Questão
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.
Responda
  • 100%
  • 25%
  • 50%
  • 75%

Questão 74

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

Questão 75

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

Questão 76

Questão
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.
Responda
  • F1-generation
  • F2-generation
  • G1-generation
  • G2-generation
  • F2-generation
  • F1-generation
  • G1-generation
  • G2-generation

Questão 77

Questão
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?
Responda
  • yy
  • YY
  • Yy
  • Test-cross

Questão 78

Questão
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.
Responda
  • dominant, recessive
  • dominant, incompletely dominant
  • recessive, dominant
  • codominant, recessive

Questão 79

Questão
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?
Responda
  • 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

Questão 80

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

Questão 81

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

Questão 82

Questão
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:
Responda
  • 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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