What two reasons explains why cell must divide: 1._ 2._

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?

________________

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:

_____________

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?

other?_________________

homologous chromosome and genetic information can be exchanged.

_____________________

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?

Process 1Process 2

Is process 1: Mitosis, Meiosis, Gametogenisis, or Diffusion?

Process 1Process 2

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

2nskin cells ?

Study the sequence below. Which cellular process is missing from

the sequence?Meiosis, mitosis, respiration,

fertilization, or photosynthesis

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?

________________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?

________________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

_____________PROPHASE

_____________ANAPHASE

_____________TELOPHASE

_____________METAPHASE

This is an example of what stage in the cell cycle?

____________CYTOKINESIS

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

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?

Process 1Process 2

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 ?

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?_________________

What two reasons explains why cell must divide: 1._ 2._

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