Der Zellkern; Chromosomen im allgemeinen Flashcards

1
Q

was befindet sich im Zellkern

A

Chromosomen

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2
Q

Chromosomen (Bestandteile)

A

-bestehen aus Histonen und der DNA

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3
Q

Wie viele Chromosomen

A

46 insgesamt
23 von der Mutter (je 22Körperchr und 1 Gonosom)
23 vom Vater ( je 22 Körperchromosomen und 1 Gonosom)

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4
Q

Gonosomen

A

Geschlechtschromosomen

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5
Q

Gameten

A

Geschlechtszellen

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6
Q

haploid

A

einmal

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7
Q

diploid

A

doppelt

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8
Q

homolog

A

gleich

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9
Q

Keimzellen

A

Eizellen/ Spermien

  • besitzen einen haploiden Chromosomensatz
  • > 23 (1-C-C)
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10
Q

Chromosom

A

es gibt 1-Chromatid-Chromosomen und
2-Chromatid-Chromosomen
in der Mitte befindet sich der Zentromer

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