Quiz 3 MP3 Flashcards

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1
Q

At the end of MITOSIS there are __ diploid daughter cells that are formed with each of them having __ chromosomes.

A

two
100

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2
Q

A starting parent cell has a diploid number of __ chromosomes. (mitosis)

A

100

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3
Q

How many phases does mitosis have? Meiosis?

A

Mitosis: 5 IPMAT
Meiosis: 9 IP1M1A1T1P2M2A2T2

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4
Q

How many cells does mitosis start with? Meiosis?

A

Mitosis: one diploid cell (2n)
Meiosis: one diploid cell (2n)

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5
Q

How many cells does mitosis end with? Meiosis?

A

Mitosis: Two identical diploid cells (2n)
Meiosis: Four haploid cells (n)

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6
Q

The process of crossing over increases genetic variation.

A

Prophase 1

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7
Q

A TETRAD is formed by homologous pairs of chromosomes.

A

Prophase 1

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8
Q

Nuclear membrane breaks down, chromosomes first become visible, spindle fibers begin to form, and crossing over occurs.

A

Prophase 1

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9
Q

DNA replication occurs

A

Interphase

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10
Q

Pulled to opposite sides of the cell.
Centromeres do NOT split

A

Anaphase 1

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11
Q

Nuclear membrane breaks down, chromosomes first become visible, spindle fibers begin to form.

A

Prophase 2

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12
Q

Pulled to opposite sides of the cell.
Centromeres DO split

A

Anaphase 2

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13
Q

Lined up in the MIDDLE of the cell single file

A

Metaphase 2

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14
Q

Two daughter cells are formed each having a diploid number (2n) of genetic material

A

Telophase 1

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15
Q

At the end of Telophase 1 and Telophase 2 _____ occurs.

A

cytokinesis

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16
Q

_____ is the equal distribution of the cytoplasm in the cell (the liquid in the cell).

A

cytokinesis

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17
Q

Nuclear membrane reforms, chromosomes uncoil and begin to disappear, spindle fibers break down.

A

Telophase 2 and 1

18
Q

FOUR daughter cells are formed each having a haploid number (n) of genetic material.

A

Telophase 2

19
Q

Lined up in the MIDDLE of the cell side by side

A

Metaphase 1

20
Q

Homologous chromosomes
Homologs

A

Meiosis 1

21
Q

Sister chromatids
Chromatids

A

Meiosis 2

22
Q

What are the Key Terms to determine Meiosis 1 versus Meiosis 2?

A

Meiosis 1: Homologous chromosomes, Homologs
Meiosis 2: Sister chromatids, Chromatids

23
Q

A starting parent cell has a ___ number of ___ chromosomes. (meiosis)

A

diploid
100

24
Q

At the end of MEIOSIS 1 there are ___ diploid cells each having __ chromosomes but are ____ due to crossing over in Prophase _.

A

two
100
not necessarily identical
1

25
Q

At the end of MEIOSIS 2 (the ___ total phases of Meiosis 1 and 2) there are __ haploid daughter cells that are formed with each of them having __ chromosomes.

A

nine
four
50

26
Q

When asked about the phenotypes of the offspring remember that PHENOTYPE means what the offspring (kids) ______.

A

LOOK like

27
Q

4 haploid (N) daughter cells form

A

Telophase II

28
Q

cells undergo a round of DNA replication

A

Interphase

29
Q

Homologous chromosomes line up in the center of the cell

A

Metaphase I

30
Q

Spindle fibers pull homologous pairs to ends of the cell.

A

Anaphase I

31
Q

sister chromatids separate from each other

A

Anaphase II

32
Q

crossing-over (if any) occurs

A

Prophase I

33
Q

spindle fibers attach to the homologous chromosome pairs

A

Prophase I

34
Q

individual chromatids move to each end of the cell

A

Anaphase II

35
Q

Which phase of meiosis is characterized by when homologous chromosomnes pair up and form a TETRAD?

A

Prophase I

36
Q

The process by which the liquid inside of the cell is evenly divided and distributed between cells is called…

A

Cytokinesis

37
Q

body cells are (a) cells
sex cells are (b) cells

A

a
diploid

b
haploid

38
Q

How do the genetic contents of cells resulting from mitosis and meiosis differ?

A

Mitosis: 2 diploid cells with identical genetic messages
Meiosis: 4 haploid cells that are genetically unique

39
Q

Compare the number and type of cells that result from meiosis vs mitosis. (2 points)

A

Mitosis: 2 identical daughter cells
Meiosis: four sex cells

40
Q

An example of a cell that would go through the process of MITOSIS would be a ___ cell

an example of a cell that would go through the process of MEIOSIS would be a ___ cell

A

body (diploid)
sex (haploid)

41
Q

Which phase of meiosis is characterized by TWO daughter cells being formed which may or may not be identical to the parent cell?

A

Telophase I