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What two reasons explains why cell must divide: 1.____________________ ___ 2.____________________ ___
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What two reasons explains why cell must divide:
1._______________________
2._______________________
Name three things that happen during Prophase.
1. ______________________2. ______________________3. ______________________
What organelle used during mitosis do animals cells have and
plants cells do not.
_____________________
The cell cycle includes: ______________, mitosis, and ________________.
A chromatid is attached to a spindle fiber by the ________________.
Cell containing two alleles for each trait are described
as ________________
True or False?
Meiosis leads to variation in a species due to crossing over
________________
True or False?
Mitosis leads to variation in a species
________________
True or False?
Mitosis produces haploid cells used in reproduction
________________
True or False?
Meiosis produces haploid cells used in reproduction
________________
True or False?
Mitosis leads to variation in a species
________________
True or False?
Meiosis is a way to reproduce, but mitosis is not
________________
True or False?
Meiosis is a way to create diversity, but mitosis is not
________________
True or False?
During mitosis, chromosomes are copied, but during meiosis
chromosomes doubles
________________
True or False?
During mitosis, chromosome numbers double, but during
meiosis chromosomes numbers remain constant
________________
True or False?
Mitosis is a type of asexual reproduction
________________
Egg and sperm production requires what reproductive
process?
________________
Meiosis and mitosis are two different reproductive processes. Of the following
what happens ONLY during meiosis?
• Crossing over occurs
•Replication of organelles
• Disappearance of the nucleolus
•Complete breakdown of the nuclear membrane
________
The gamete that contains genes contributed only by
the mother is the ____________
Zygote(2n)
What are the chance of having a boy, no matter the number of children?
________
The process by which nuclear materials is
divided equally between two new cells is _______________
The dark-staining structures that carry the genetic material are the _________________
The uncontrolled division of cells that results in a
malignant growth is known as ________________
The two halves of doubled chromosome structure are
called:
_______________
Cell growth, then cell division (MITOSIS), and
then Cytokinesis makes up the __________________
The phase of mitosis in which the sister chromatids
separate from each other is :
_______________
The movement of particles from an area of higher concentration to on of lower concentration:
_______________
A segment of DNA that controls the production of a
protein:
_______________
List the names of the stages of the cell cycle starting with Interphase and ending with
Cytokinesis
_______________
Cytokinesis is the division of:
_______________
Cytokinesis starts in which phase of the cell cycle?
_______________
Meiosis reduces the number of chromosomes to ___ or
___________
_______________
When 1n from gametes produce the zygote, what is
the chromosome number restored to?
_______________
Identify this stage of mitosis:
_____________
Identify this stage of mitosis:
_____________
Identify this stage of mitosis:
_____________
Identify this stage of mitosis:
_____________
This is an example of what stage in the cell cycle?
____________
What is the process when pieces of chromatid that break off from the
other?_________________
This allows homologous chromosome and genetic information to be exchanged. This is called ___________ __________________
Crossing over only occurs in mitosis or meiosis or both or
neither?
What is the process when pieces of chromatid that break off from the
other?_________________
homologous chromosome and genetic information can be exchanged.
_____________________
x
x
Which part of the cell cycle is shown as red?Which part of the cell cycle is shown as purple?Which part of the cell cycle is shown as yellow?
2 n
2 n
2 n
1 n
1 n
1 n
1 n
Process 1Process 2
2 n
2 n
2 n
1 n
1 n
1 n
1 n
Process 1Process 2
.
Is process 1: Mitosis, Meiosis, Gametogenisis, or Diffusion?
2 n
2 n
2 n
1 n
1 n
1 n
1 n
Process 1Process 2
.
Is process 2: Mitosis, Meiosis, Gametogenisis, or Diffusion?
Identify this stage of mitosis.
Identify this stage of mitosis.
Identify this stage of mitosis.
Identify this stage of mitosis.
Identify these dark structures.
Identify these thin stringy structures.
Identify this stage of mitosis.
What are these structures carrying in them?
This is an example of what stage in the cell
cycle?
____________
2nskin cells ?
undergo to form skin cells
2n
2nskin cells ?
undergo to form skin cells
2n
Study the sequence below. Which cellular process is missing from
the sequence?Meiosis, mitosis, respiration,
fertilization, or photosynthesis
What is the process when pieces of chromatid that break off from the
other?__________________
Homologous chromosome and genetic information can be exchanged, called
what?_________________
1. What two reasons explains why cell must divide:
1._______________________
2._______________________
VOLUME INCREASES FASTER THAN AREA
HOMEOSTASIS IS DISRUPTED BY TOO LARGE CELL
2. Name three things that happen during Prophase.
1. ______________________2. ______________________3. ______________________
CHROMOSOMES TIGHTEN COILING UP
NUCLEAR ENVELOPE DISAPPEARS
NUCLEOLUS DISAPPEARS
3.What organelle used during mitosis do animals cells have and
plants cells do not.
_____________________CENTRIOLES
4. The cell cycle includes: ______________, mitosis, and ________________.
INTERPHASECYTOKINESIS
5. A chromatid is attached to a spindle fiber by the
________________.CENTROMERE
6. Cell containing two alleles for each trait are
described as ________________
DIPLOID
7.True or False?
Meiosis leads to variation in a species due to crossing over
________________TRUE
8. True or False?
Mitosis leads to variation in a species
________________FALSE
9. True or False?
Mitosis produces haploid cells used in reproduction
________________FALSE
10. True or False?
Meiosis produces haploid cells used in reproduction
________________TRUE
11. True or False?
Mitosis leads to variation in a species
________________FALSE
12. True or False?
Meiosis is a way to reproduce, but mitosis is not
________________FALSE
13. True or False?
Meiosis is a way to create diversity, but mitosis is not
________________TRUE
14. True or False?
During mitosis, chromosomes are copied, but during meiosis
chromosomes doubles
________________FALSE
15. True or False?
During mitosis, chromosome numbers double, but during
meiosis chromosomes numbers remain constant
________________FALSE
16. True or False?
Mitosis is a type of asexual reproduction
________________TRUE
17. Egg and sperm production requires what reproductive
process?
________________MEIOSIS
18. Meiosis and mitosis are two different reproductive processes. Of the following
what happens ONLY during meiosis?
• Crossing over occurs
•Replication of organelles
• Disappearance of the nucleolus
•Complete breakdown of the nuclear membrane
________CROSSING OVER OCCURS
19. The gamete that contains genes contributed only by the mother is the
____________EGG
Zygote(2n)
20. What are the chance of having a boy, no
matter the number of children?
________50%
21. The process by which nuclear materials
is divided equally between two new cells is _______________
MITOSIS
22.The dark-staining structures that carry the genetic material are the _________________CHROMOSOMES
23. The uncontrolled division of cells that results in a
malignant growth is known as ________________CANCER
24. The two halves of doubled chromosome structure are called:
_______________SISTER CHROMATIDS
25. Cell growth, then cell division (MITOSIS), and
then Cytokinesis makes up the __________________
CELL CYCLE
26. The phase of mitosis in which the sister chromatids
separate from each other is :
_______________ANAPHASE
27. The movement of particles from an area of
higher concentration to on of lower concentration:
_______________DIFFUSION
28. A segment of DNA that controls the production of a
protein:
_______________GENE
29.List the names of the stages of the cell cycle starting with Interphase and ending with
Cytokinesis
_______________
INTERPHASE, PROPHASE, METAPHASE,
ANAPHASE, TELOPHASE, AND CYTOKINESIS
30. Cytokinesis is the division of:
_______________CYTOPLASM
Cytokinesis starts in which phase of the cell cycle?
_______________TELOPHASE
Meiosis reduces the number of chromosomes to ___ or
___________
_______________ 1N HAPLOID
When 1n from gametes produce the zygote, what is
the chromosome number restored to?
_______________2N OR DIPLOID
Identify this stage of mitosis:
_____________PROPHASE
Identify this stage of mitosis:
_____________ANAPHASE
Identify this stage of mitosis:
_____________TELOPHASE
Identify this stage of mitosis:
_____________METAPHASE
This is an example of what stage in the cell cycle?
____________CYTOKINESIS
What is the process when pieces of chromatid that break off from the
other?_________________
This allows homologous chromosome and genetic information to be exchanged. This is called ___________ __________________
CROSSING OVER
GENETIC RECOMBINATION
Crossing over only occurs in mitosis or meiosis or both or
neither? MEIOSIS ONLY
What is the process when pieces of chromatid that break off from the
other?_________________
homologous chromosome and genetic information can be exchanged.
_____________________
CROSSING OVER
GENETIC RECOMBINATION
DNA synthesis and replication
Rapid growth and metabolic activity
Centrioles replicate; cell prepares for division
Mitosis:
Interphase: Cytokinesis
Which part of the cell cycle is shown as red?Which part of the cell cycle is shown as purple?Which part of the cell cycle is shown as yellow?
2 n
2 n
2 n
1 n
1 n
1 n
1 n
Process 1Process 2
2 n
2 n
2 n
1 n
1 n
1 n
1 n
Process 1Process 2
A.
Is process 1: Mitosis, Meiosis, Gametogenisis, or Diffusion?
2 n
2 n
2 n
1 n
1 n
1 n
1 n
Process 1Process 2
B.
Is process 2: Mitosis, Meiosis, Gametogenisis, or Diffusion?
C. Identify this stage of mitosis.
D. Identify this stage of mitosis.
E. Identify this stage of mitosis.
F. Identify this stage of mitosis.
G. Identify these dark structures.
H. Identify these thin stringy structures.
I. Identify this stage of mitosis.
J. What are these structures carrying in them?
K. This is an example of what stage in the cell
cycle?
____________
2nskin cells ?
undergo to form skin cells
2n
2nskin cells ?
undergo to form skin cells
2n
L. Study the sequence below. Which cellular process is missing from
the sequence?Meiosis, mitosis, respiration,
fertilization, or photosynthesis
M. What is the process when pieces of chromatid that break off from the
other?__________________
Homologous chromosome and genetic information can be exchanged, called
what?_________________
