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WorksheetsBIO150_Mitosis & Meiosis
Total questions: 40
Worksheet time: 2hrs 0mins
Identify the phase of the cell cycle where DNA is replicated.
G1
Synthesis
G2
G0
Fruit fly body cells have 8 chromosomes. Predict the number of chromosomes in the fruit fly daughter cell after mitosis.
16 chromosomes.
46 chromosomes.
8 chromosomes.
4 chromosomes.
Identify structure B.
chromosome
centromere
DNA
chromatid
Choose the total number of chromosomes normally found in human body cells.
46
23
26
44
Identify the structure labeled X.
Centriole
Centrosome
Chromatid
Chromosome
Identify the NEXT phase of the image.
prophase
metaphase
anaphase
telophase
Select the type of cell you would most likely observe a cell plate during mitosis.
rat muscle cell
alligator stomach cell
onion root cell
human lung cell
Identify the type of cell where centrioles would most likely be found.
geranium leaf cells
mushroom spore cells
E. coli bacterial cells
human muscle cells
Choose the type of cells that may never undergo mitosis and make new cells.
blood cells
skin cells
nerve cells
stomach cells
Name the chromosomes that have corresponding traits from the opposite sex parents.
Heterogeneous chromosomes
homologous chromosomes
Mother and Father chromosomes
Grandmother and grandfather chromosomes
Select the image that shows metaphase stage.
A
E
C
F
Identify the stage where chromosomes condense from long stands into rod like structures.
Prophase
Interphase
Anaphase
Metaphase
Select the importance of replicating DNA before a cell divides in mitosis or meiosis.
In order for genetic information to be transferred into daughter cells.
In order for the cell to be able to increase in size.
In order for the DNA to be contained in the nucleus.
In order for the cell to re-order the DNA sequencing in the new cells.
Choose the type of cells where mitosis will occur.
egg cells
sperm cells
jail cells
Body cells except the sperm and egg cells
Name the organelle that helps in cell division and produces spindle fibers.
Chromosome
Centriole
Cytoplasm
Chloroplast
Identify part of a cell that contain it's genetic material.
nucleus
nucleolus
cytoskeleton
golgi
Choose the correct answer for the term anaphase.
the stage of meiotic or mitotic cell division in which the chromosomes first appear as sister chromatids
the stage of meiotic or mitotic cell division in which the chromosomes move toward one another & to the center of the cell.
the stage of meiotic or mitotic cell division in which the chromosomes move away from one another to opposite poles of the spindle.
the stage of meiotic or mitotic cell division in which the chromosomes and spindles firs attach
Identify the cell type that is formed by meiosis.
muscle cells
skin cells
sperm cells
blood cells
Choose the CORRECT statement that describes meiosis.
cells divide only once
meiosis does not occur in reproductive cells
the cells produced at the end of meiosis are genetically identical to the parent cell
The cells produced at the end of meiosis contain half the number of chromosomes as the parent cell
Select the best statement that describes the process shown.
mutation in which the DNA content of the gene is ltered
segregation of sister chromatids
condensation and segregation of the alleles
crossing-over which alleles are exchanged
Choose the following that represents chromosome number during fertilization.
n+n=2n
n=n
2n=n+n
2n=2n
Predict the chromosome number in a butterfly egg, if an intestinal cell in a butterfly contains 24 chromosomes.
3
6
12
24
Select the advantage of sexual reproduction.
offspring are identical to parents
offspring are resistant to viruses
offspring are born live, rather than from eggs
offspring inherit a wider variety of genetic information
A male shark has 40 chromosomes in each of its sex cells. Predict the chromosome number that would be present in its body cells.
20
40
80
160
Compare between the DNA in a horse muscle cell with the DNA in a horse sperm cell.
The sperm cell would have twice the DNA as the muscle cell.
The sperm cell would have half as much DNA as the muscle cell.
The sperm cell and muscle cell would contain the same amount of DNA.
The muscle cell would have four times the DNA as the sperm cell..
Chromosomes lined up at the center of a cell move to opposite ends of the cell, but the centromere does not split. Identify the stage of cell division based on the statement.
Meiosis II
This is mitotic anaphase.
This is a bacterial cell.
This is meiosis I.
Identify the phase of meiosis when there is complete pairing of all homologous chromosomes.
telophase I
anaphase I
prophase I
metaphase I
Choose the reason why chromosomes are separated and moved to the opposite ends of the spindle during anaphase II.
the chromosomes are pulled by the kinetochore fibers attached to the telomeres
nuclear membranes form around each set of chromosomes and drag them apart
the chromosomes are pulled by the kinetochore fibers attached to the centromeres
the centrioles magnetically pull the chromosomes apart
Identify an event between meiosis I and meiosis II that results in reduced number of chromosomes.
Replication occurs once.
Metaphase occurs.
Replication does not occur.
Crossing-over occurs.
Choose an event that is NOT a source of genetic diversity.
mutation
segregation of homologs
independent assortment of homologous pairs
mitosis
Name the event that allows exchange of pieces of chromatin between homologous chromosomes during Prophase I of meiosis.
independent assortment
mutation
crossing over
random fertilization
Identify the phase of meiosis where the process shown in the image occur.
Prophase I
Anaphase I
Metaphase I
Telophase I
Choose the haploid number of human chromosomes.
11
12
23
46
Select the result of meiosis.
two diploid cells
two haploid cells
four diploid cells
four haploid cells
Identify the components that are exchange during crossing-over of chromatids.
centromeres
genes
spindle fibers
histones
Select the phase shown in the picture.
anaphase 1
anaphase 2
metaphase 1
telophase 1
Identify the phase of mitosis where the nuclear membrane starts to dissolve (disappear)
Prophase
Metaphase
Anaphase
Telophase
