Mitosis and Meiosis Flashcards

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1
Q

Number of divisions

A

Mitosis: 1
Meiosis:2

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2
Q

Number of cells at the end

A

Mitosis: 2
Meiosis:4

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3
Q

Chromosome count

A

Mitosis: Same
Meiosis: half

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4
Q

Steps

A

Mitosis:Prophase, Metaphase, Anaphase, Telophase.
Meiosis: (Meiosis 1) Prophase I, Metaphase I, Anaphase I, Telophase I; (Meiosis 2) Prophase II, Metaphase II, Anaphase II and Telophase II.

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5
Q

What does it create

A

Mitosis: Makes everything but sex cells
Meiosis: Only sex cells

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6
Q

Type of reproduction

A

Mitosis: Asexual
Meiosis: Sexual

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7
Q

What is prophase ( Mitosis )

A

Prophase occupies over half of mitosis. The nuclear membrane breaks down to form a number of small vesicles and the nucleolus disintegrates.

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8
Q

What is prometaphase (Mitosis)

A

The chromosomes, led by their centromeres, migrate to the equatorial plane in the mid-line of the cell - at right-angles to the axis formed by the centrosomes.

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9
Q

Metaphase (Mitosis)

A

The chromosomes align themselves

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10
Q

Anaphase ( Mitosis )

A

The centromeres divide, and the sister chromatids of each chromosome are pulled apart -

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11
Q

Telophase ( Mitosis )

A

The final stage of mitosis, and a reversal of many of the processes observed during prophase. The nuclear membrane reforms around the chromosomes grouped at either pole of the cell, the chromosomes uncoil and become diffuse, and the spindle fibres disappear.

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12
Q

Cytokinisis ( Mitosis )

A

The final stage in Mitosis where there are two separate cells

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13
Q

Prophase 1 ( Meiosis)

A

The homologous chromosomes pair and exchange DNA to form separated chromosomes

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14
Q

Prometaphase 1 (Meiosis)

A

Spindle apparatus formed, and chromosomes attached to spindle fibres

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15
Q

Metaphase 1 (Meiosis)

A

Chromosones arranged as doubles.

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16
Q

Anaphase 1 ( Meiosis)

A

chromosomes are separated and move to the opposite poles of the cell

17
Q

Telophase 1 ( Meiosis)

A

Nuclear membrane re forms

18
Q

Cytokinesis (Meiosis)

A

The final cellular division to form two new cells, followed by Meiosis II. Meiosis I is a division: the original cell had two copies of each chromosome; the newly formed cells have one copy of each chromosome.