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Biology WJEC A Level > Mitosis > Flashcards

Mitosis Flashcards

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1
Q

Interphase

A

ROPA

Replication of DNA
Organelles produces
Protein synthesis
ATP synthesis

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2
Q

Prophase

A

Chromosomes condense- visible

Spindle fibres form

Centrioles move to opposite poles

Nuclear membrane and nucleolus dissapear

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3
Q

Metaphase

A

Chromosomes line up in middle

Attach to spindle fibres at centromere

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4
Q

Anaphase

A

Centromeres separate

Spindle fibres contract

Chromosomes pulled to opposite poles

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5
Q

Telophase

A

Chromatids uncoil

Spindle fibres break down

Nucleoli and nuclear membrane reappear

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6
Q

Cytokinesis

A

cell membrane closes fully

create 2 fully separate cells

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7
Q

Crossing over

A

Exchange of alleles between homologous chromosomes

At Chiasma

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8
Q

Independent assortment

A

Pairs of homologous chromosomes line up randomly on the equator

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Biology WJEC A Level (4 decks)

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