MCQ Questions
Q.1.
A cell that contains only one set of chromosomes instead of the normal pair. Gametes, which are sex cells like sperm and eggs, are haploid cells.
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0%
Diploid
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0%
Meiosis
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0%
Haploid
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0%
Gamete
Q.2.
Chromosomes that have the same sequence of genes, that have the same structure, and that pair during meiosis.
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0%
Haploid
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0%
Homologous chromosomes
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0%
Diploid
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0%
Meiosis
Q.3.
The centromere divides. The chromatids seperate and move to opposite ends of the cell. Each chromatid is now an individual chromosome.
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Telophase Ii
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0%
Metaphase Ii
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0%
Prophase Ii
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0%
Anaphase II
Q.4.
Chromosomes duplicate before dividing in meiosis.
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0%
Diploid
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0%
Gamete
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0%
Meiosis
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0%
Replication
Q.5.
Process in which homologous chromosomes exchange portions of their chromatids during meiosis. This increases genetic variation.
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0%
Telophase II
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0%
Non-Disjunction
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0%
Crossing Over
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0%
Meiosis
Q.6.
Chromosomes (uncondensed in this phase) replicate in preparation for meiosis. At this point they are long and thing and called "chromatin".
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0%
Replication
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0%
Prophase Ii
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0%
Interphase
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0%
Meiosis
Q.7.
Male gamete (sex cell)
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0%
Diploid
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0%
Gamete
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0%
Sperm
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0%
Egg
Q.8.
Homologous chromosomes are pulled to opposite ends of the cell. Note that chromatids do not separate - each duplicated chromosome still has two chromatids.
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0%
Anaphase I
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0%
Anaphase II
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0%
Prophase I
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0%
Metaphase I
Q.9.
A cell that contains two sets of chromosomes; one inherited from the mother and one inherited from the father. Most body cells (nerve, brain, muscle, skin, etc.) are considered diploid cell.
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0%
Gamete
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0%
Diploid
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0%
Haploid
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0%
Meiosis
Q.10.
The pairs of homologous chromosomes line up in the center of the cell. The centromere of each chromatid pair attaches to one spindle fibre.
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0%
Anaphase II
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0%
Metaphase I
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0%
Metaphase II
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0%
Telophase I
Q.11.
Each chromosome comes near its replicated chromosome pair. Nucleus dissolves at this stage. Crossing Over (exchange of genetic material) occurs at this phase.
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0%
Prophase I
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0%
Anaphase I
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0%
Anaphase II
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0%
Telophase I
Q.12.
The cytoplasm divides and two new cells form. Each new cell has one duplicated chromosome from each similar pair.
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Metaphase II
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0%
Metaphase I
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0%
Telophase II
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0%
Telophase I
Q.13.
The result of meiosis is 4 gametes, or sex cells, that each contain half of the genetic information in the parent organism.
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0%
Haploid
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0%
Diploid
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0%
Sperm
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0%
Gamete
Q.14.
An accident of meiosisor mitosis in which a pair of homologous chromosomes or a pair of sister chromatids fail to seperate at anaphase
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0%
Mutation
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0%
Mitosis
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0%
Nondisjunction
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0%
Meiosis
Q.15.
A chromosome that determines whether an individual male or female
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0%
Autosome
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0%
Haploid
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0%
Gamete
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0%
Sex chromosome
Q.16.
During prophase I of meiosis
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0%
homologous chromosomes stick together in pairs.
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0%
homologous Chromosomes
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0%
four phases for mitosis
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0%
prophase I.
Q.17.
In a organism that reproduces sexually, a cell containing two homologous sets of chromosomes, one set inherited from each parent; a 2n cell has 46 chromosomes
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0%
Somatic
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0%
Gamete
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0%
Haploid
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0%
Diploid
Q.18.
During meiosis, segments of nonsister chromatids can trade places. This recombination of maternal and paternal genetic material is a key feature of meiosis. During what phase of meiosis does recombination occur?
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0%
mitosis
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0%
metaphase I.
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0%
prophase I.
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0%
interphase.
Q.19.
A paired set of homologous chromosomes, each composed of two sister chromatoids. Tetrads form during prophase 1 of meiosis
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0%
Mitosis
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0%
Tetrads
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0%
Diploid
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0%
Homologous Chromosomes
Q.20.
Prometaphase, Metaphase, Anaphase, Telophase
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0%
four types of mutation
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0%
four phases for mitosis
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0%
four haploid cells.
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0%
Sister chromatoids
Q.21.
A change in the nucleotides sequence of an organism's DNA; mutation also can occur in the DNA or RNA of a virus; the altimate source of genetic diversity
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0%
Nondisjunction
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0%
Mutation
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0%
Mitosis
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0%
Meiosis
Q.22.
A chromosome not directly involved in determining the sex of an organism, in mammals, any chromosome other than X or Y.
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0%
Diploid
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0%
Autosome
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0%
Haploid
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0%
Gamete
Q.23.
In the life cycle of an organism that reproduces sexually, a cell contains a single set of chromosomes; a n cell has 23 chromosomes
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0%
Somatic
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0%
Gamete
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0%
Diploid
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0%
Haploid
Q.24.
a display of micrographs of the metaphase choromosomes of a cell, arranged by size and centromere position
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0%
Haploid
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0%
Diploid
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0%
Homologous Chromosomes
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0%
Karyotypes
Q.25.
A cell preparing to undergo meiosis duplicates its chromosomes during
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0%
prophase i.
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0%
meiosis
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0%
interphase.
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0%
mitosis
Q.26.
In a sexually reproducing organism, the division of a single diploid nucleus into four haploid daughter nuclei. produce haploid gametes from diploid cells in the reporductive organs of the parents
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0%
Meiosis
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0%
Mitosis
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0%
Mutation
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0%
Nondisjunction
Q.27.
the exchange of segments between chromatoids of homologous chromosomes during synapsis in prophase 1 of meiosis; also, the exchange of segments between DNA molecules in prokaryotes
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0%
Nondisjunction
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0%
Mitosis
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0%
prophase I.
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0%
Crossing Over
Q.28.
Any cell in a multicellular organism except sperm or egg cell or a cell that develops into a sperm or egg.
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0%
Somatic
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0%
Haploid
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0%
Gamete
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0%
Diploid
Q.29.
The division of a single nucleus into two genetically identical daughter nuclei. make up the mitotic (M) phase of the cell cycle
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0%
Diploid
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0%
Mitosis
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0%
Mutation
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0%
Meiosis
Q.30.
Which is a homologous chromosome pair?
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0%
It produces male and female sex cells.
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0%
tetrad
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0%
fertilization
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0%
Traits are inherited independently of each other.
Q.31.
Which definition correctly describes a haploid cell during meiosis?
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0%
a cell that has one complete set of chromosomes
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0%
Traits are inherited independently of each other.
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0%
crossing over, independent assortment, and fertilization
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0%
fertilization
Q.32.
Which process of genetic recombination involves genes from both parents?
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0%
prophase I
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0%
a cell that has one complete set of chromosomes
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0%
tetrad
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0%
fertilization
Q.33.
Which discovery did Gregor Mendel make?
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crossing over, independent assortment, and fertilization
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0%
Traits are inherited independently of each other.
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0%
It allows for genetic variation among organisms.
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0%
It produces male and female sex cells.
Q.34.
Genetic variation occurs through genetic recombination.mc011-1.jpgWhich method of genetic recombination is illustrated in the diagram?
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0%
independent assortment
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0%
prophase I
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0%
a cell that has one complete set of chromosomes
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0%
crossing over
Q.35.
In his study of pea plants, Gregor Mendel used which method to produce offspring?
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0%
Traits are inherited independently of each other.
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0%
cross-pollination, by using parents that had different traits
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0%
23 from the mother and 23 from the father
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0%
crossing over, independent assortment, and fertilization
Q.36.
Three cells undergo meiosis. How many haploid cells are produced?
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0%
a cell that has one complete set of chromosomes
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0%
fertilization
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0%
prophase I
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0%
12
Q.37.
Which best illustrates how Gregor Mendel used creativity that lead to scientific discovery?
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0%
23 from the mother and 23 from the father
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0%
a cell that has one complete set of chromosomes
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0%
cross-pollination, by using parents that had different traits
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0%
He used pea plants to study the patterns of heredity.
Q.38.
The diagram illustrates one method of genetic recombination.mc014-1.jpgWhich method of genetic recombination is illustrated in the diagram?
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0%
fertilization
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0%
independent assortment
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0%
crossing over
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0%
crossing over, independent assortment, and fertilization
Q.39.
How many chromosomes does a child inherit from his or her parents?
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0%
23 from the mother and 23 from the father
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0%
crossing over, independent assortment, and fertilization
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0%
cross-pollination, by using parents that had different traits
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0%
a cell that has one complete set of chromosomes