MITOSIA eta MEIOSIA Flashcards

1
Q

Non gertatzen da mitosia?

A

Zelula haploide eta diploideetan gertatzen da.

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2
Q

Zein da mitosiaren helburua?

A

Bi zelula ume genetikoki zelula amaren identikoak sortzea da

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3
Q

Zer gertatzen da G1 fasean?

A

Zelula handitu
Zelulako zenbait molekulen kopurua handitu

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4
Q

Zer gertatzen da S fasean?

A

DNA eta hainbat proteina bikoiztu.

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5
Q

Zer gertatzen da G2 fasean?

A

Zatiketarako prestatu
Kromosomak trinkotu

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6
Q

Zein da Mitosiaren prozedura?

A

Profasea
Metafasea
Anafasea
Telofasea

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7
Q

Zer gertatzen da profasean?

A

Kromatina kondentsatzen da kromosometan.
Nukleoaren mintza desagertzen da.

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8
Q

Zer gertatzen da Metafasean?

A

Zelularen erdialdean kromosomak ordenatu egiten dira.

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9
Q

Zer gertatzen da Anafasean?

A

Kromatida ahizpak bereiz egiten dira.

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10
Q

Zer gertatzen da Telofasean?

A

Kromatida zabaltzen da eta zitoplasma zatitu egiten da.

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11
Q

Non gertatzen da Meiosia?

A

Zelula diploideetan gertatzen da

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12
Q

Zein da Meiosiaren helburua

A

Bere helburua gametoak sortzea da.

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13
Q

Zer sortuko da meiosiaren ondoren?

A

Lau zelula ume sortuko dira amaren informazio erdia dutenak.

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14
Q

Zein da Meiosiaren prozedura?

A
  1. Profasea
  2. Metafasea
  3. Anafasea
  4. Telofasea
  5. Profasea
  6. Metafasea
  7. Anafasea
  8. Telofasea
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