3.14 Flashcards

Alfonso

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1
Q

Previous stage to mitosis

A

Interphase

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2
Q

Mitosis phases

A

1) Prophase
2) Metaphase
3) Anaphase
4) Telophase
5) Cytokinesis

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3
Q

Describe the first phase

A

PROPHASE

Genetic material replicates to produce exact copies of the original chromosomes.

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4
Q

Describe the second phase

A

METAPHASE
Nuclear membrane has broken down. Centrioles have formed between them a spindle (set of microtubules). Chromatids (chromosones) line up along the metaphase plate (equator).

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5
Q

Describe the third phase

A

ANAPHASE
Centromeres split so two identical linked chromatids become new separate chromosomes. Chromatids have been separated to opposite sides of the cell, moved by microtubules of the spindle.

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6
Q

Describe the fourth phase

A

TELOPHASE
Spindle fibres break down and nuclear envelopes (which is visible) form around the two sets of chromosomes, which uncoil and become invisible.

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