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Honors Biology > Meoisis > Flashcards

Meoisis Flashcards

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1
Q

The process of division in sex cells, results in formation of gametes (which half the number of chromosomes) start 46 end 23

A

Meiosis

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2
Q

all of these determine traits and characistics 44 of the and pairs 1-22

A

autosomes

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3
Q

determine the sex of the offspring

A

sex chromosomes

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4
Q

sister chromosomes

A

homologous

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5
Q

on extra chromosome

A

trisomey

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6
Q

mom gives what chromosome

A

x

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7
Q

what chromosome does the dad give

A

x or y

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8
Q

cells that 2 sets of chorosomes

A

diploid

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9
Q

cells that have 1 set of chromosomes

A

haploid

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10
Q

phases of meiosis- sex cells

A 
interphase
prophase1
anaphase1
metaphase1
telophase1
cytokinesis
prophase2
anaphase2
metaphase2
telophase2
cytokinesis
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11
Q

Once they are in 23 pairs- switch part of their DNA in Prophase 1

A

called crossing over

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12
Q

How is meiosis different from mitosis

A

in the first stages (interphase and prophase) chromosomes duplicate and also find their homologous pair

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13
Q

can cross over happen randomly on the chromotids?

A

Yes

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14
Q

does interphase happen in the second meiosis

A

No

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15
Q

during this stage both new cells divide again to form again to of fours cell

A

meiosis

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16
Q

body cells are always diploid: true or false

A

true

17
Q

what are the two types of meiosis

A

female meiosis and male meiosis

18
Q

when both stages of meiosis are complete there is only one ovum

A

female meiosis

19
Q

when both stages of meiosis are complete there are form sperm cells )haploid)

A

male meiosis

20
Q

the three eggs that dont survive meiosis

A

polar bodies

21
Q

the failure of homologous chromosomes or sister chromotids to separate properly during cell division

A

nondisconjunction

22
Q

the process of cell division of sex cells

A

meiosis

Honors Biology (20 decks)

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