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Lewenswetenskappe 12 > Chromosome en meiose sleutel begrippe > Flashcards

Chromosome en meiose sleutel begrippe Flashcards

1
Q

stadium van meiose waar die sametrekking van spoeldrade plaasvind

A

anafase

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2
Q

reduksiedeling

A

meiose 1

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3
Q

sitoplasmadeling

A

sitokinese

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4
Q

stadium van meiose waar chromosome sigbaar word

A

vroeë profase

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5
Q

menslike seltipe met 23 pare chromosome

A

menslike somatiese selle

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6
Q

menslike seltipe met 23 chromosome

A

menslike gamete

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7
Q

kopieerdeling

A

Meiose 2

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8
Q

stadium van meiose waar bivalente vorm

A

laat profase

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9
Q

stadium van meiose waar pare chromosome by die sel se ewenaar groepeer

A

metafase 1

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10
Q

uitruil van stukke chromatiede

A

uitwisseling

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11
Q

stadium van sel siklus waar replisering van DNA plaasvind

A

interfase

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12
Q

organel wat tot die vorming van die spoel in ‘n verdelende sel aanleiding gee

A

sentriool

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13
Q

die tydperk tussen delings waar die sel met sy normale prosesse voortgaan

A

interfase

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14
Q

naam vir die genetiese matriaal gedurende interfase

A

chromatien netwerk

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15
Q

struktuur wat twee chromatiede met mekaar verbind

A

sentromeer

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16
Q

‘n paternale chromosoom met ‘n bypassende maternale chromosoom

A

homoloë paar

17
Q

die uitruilpunt waar chromatiede breek tydens uitwisseling

A

chiasma (meervoud: chiasmata)

18
Q

‘n voorstelling van ‘n stel chromosome in ‘n sel wat die grootte, vorm en aantal chromosome tydens metafase van mitose wys

A

kariotipe

19
Q

nie-geslagtilike chromosome

A

outosome

20
Q

geslagschromosome

A

gonosome

21
Q

toestand waar ‘n sigoot of ‘n ekstra chromosoom bevat of een kort

A

aneuploïdie

22
Q

wanneer chromosome nie tydens meiose korrek verdeel nie

A

chromosomale nie-disjunksie

23
Q

chromosoom materiaal wat uit DNA, RNA en histone (proteiene) bestaan soos aangetref in ‘n nie-verdelende sel (interfase)

A

chromatien

Lewenswetenskappe 12 (5 decks)

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