mitose Flashcards

1
Q

profase

A

chromatiennewerk verkort en verdik en word sigbaar as chromosome
gerepliseerde chromosome bestaan uit 2 chromatiede,verbind met sentromeer
kernliggaampie en kernmembraan verdwyn

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2
Q

metafase

A

chromosome gaan lê op ewenaarsvlak met sentromere op ewenaar

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3
Q

anafase

A

sentromeer verdeel
chromatiede beweeg na teenoorgestelde pole

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4
Q

telofase

A

insnoering word gevorm by dierselle
selplaat ontwikkel by plantsel

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5
Q

sitokinese

A

verdeling van sitoplasma

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6
Q

kariokinese

A

verdeling van kern

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7
Q

belangrikheid van mitose

A

herstel weefsel
groei
ongeslagtelike voortplanting

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8
Q

produk van mitose

A

twee identiese dogterselle wat dieselfde is as die oorspronklike moedersel

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9
Q

meiose

A

hoe sperm en eierselle gevorm word

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10
Q

oorkruising

A

genetiese eienskappe ruil uit vir variasie in die nageslag

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11
Q

oorkruising vind plaas

A

tydens profase 1

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12
Q

metafase sortering

A

afhanklike sortering

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13
Q

profase 1

A

homoloë chromosome lê onder mekaar

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14
Q

metafase 1

A

homoloë chromosome lê langs mekaar

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15
Q

anafase 1

A

chromosome gaan na teenoorgestelde pole

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16
Q

telofase 1

A

chromosoom getal halveer,membraan vorm

17
Q

profase 2

A

kern membraan,spoel verskyn

18
Q

metafase 2

A

chromosome rangskik op een lyn op ewenaar
(lukraak onafhanklik)

19
Q

anafase 2

A

ongerepliseerde chromsome

20
Q

telofase 2

A

4 selle vorm met kerne
elkeen 2 chromosome (gamete)

21
Q

nie disjunksie

A

chromosome wat nie reg skei nie
bv. ipv dat 2 op gaan gaan een op ek 3 af
of 22 en 24

22
Q

trisomie

A

3 chromosome - down syndrome
- chromasomale afwyking