meosis Flashcards

1
Q

where does meosis ocour

A

gametes

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2
Q

what type od cells are gametes

A

haploid

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3
Q

what does a haploid cell mean

A

only one copy of each chromosome

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4
Q

does miosis take place in haploid or diploid cells

A

diploid

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5
Q

what is the first stage in meiosis

A

repliaction of dna in each chromosome producing two chromatids

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6
Q

what is the second stage of meiosis

A

where the dna condenses to form chromosmes

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7
Q

what forms these chromosmes

A

two chromatids joined at the centromere

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8
Q

what is the third satge in miosis

A

the first division the chtomosomes arrange themselves into homologous pairs along the equator and are pulled appart by the spindle fibres

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9
Q

what does this first division create

A

two cells with a halved chromosome number

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10
Q

what is the fourth step in mieosis

A

second division - pairs of sister chromotids that make up each chromosome are seperated - the centromere is divided

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11
Q

what does this second division produce

A

four haploid daughter cells wich are genetically different

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