meiosis Flashcards

to learn about meiosis

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1
Q

This is a kind of cell division that produces haploid cells with 1/2 the number of chromosomes of the parent cell.

A

meiosis

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2
Q

Cells undergo meiosis to make this

A

make gametes

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3
Q

This is the paring up of homologous chromosomes during meiosis

A

synapsis

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4
Q

The group of 4 chromatids that forms during synapsis is called a

A

tetrad

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5
Q

The paring up of maternal an paternal chromosomes (synapsis) during meiosis happens in what stage

A

Prophase I

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5
Q

This is the exchange of genetic material between arms of homologous chromosomes

A

crossing over

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6
Q

During meiosis, crossing over happens in what stage

A

Prophase I

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7
Q

during meiosis , independent assortment happens in

A

anaphase I

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8
Q

In Meiosis a 2n parent cell divides to produce

A

Four different 1n cells

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9
Q

During oogenesis, when the cytoplasm is divided unevenly so that only one mature egg is produced along with three of these

A

polar bodies

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10
Q

This is the production of mature sperm cells

A

spermatogenesis

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11
Q

The random separation of maternal and paternal chromosomes during anaphase I

A

independent assortment

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12
Q

the production of offspring from one parent without joining gametes

A

asexual

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13
Q

TRUE or FALSE
offspring from asexual reproduction are genetically identical to the parent

A

TRUE

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14
Q

TRUE or FALSE
polar bodies go on to become eggs.

A

FALSE they go on to die

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15
Q

TRUE or FALSE
the 2nd division in meiosis is a mitosis division without copying the DNA 1st

A

TRUE

16
Q

TRUE or FALSE
In humans, meiosis occurs in the testes and ovaries

A

TRUE

17
Q

TRUE or FALSE
Gametes produced in meiosis are identical to each other, but different from the parent cell.

A

FALSE Gametes produced in meiosis are DIFFERENT

18
Q

Two processes that happen during meiosis which result in genetic recombination so that the 4 daughter cells have different DNA from each other and from the parent cell.

A

Crossing over
Independent assortment

19
Q

Number of Divisions in Mitosis and Meiosis

A

Mitosis = 1
Meiosis = 2

20
Q

Number of cells produced Mitosis and Meiosis

A

Mitosis = 2
Meiosis = 4

21
Q

Chromosome number Mitosis and Meiosis

A

2n->?

22
Q

Used by what type cells Mitosis Meiosis

A

Mitosis = somatic (body)

Meiosis = germ (sex)

23
Q

Cells produced diploid or haploid Mitosis and Meiosis

A

Mitosis = diploid
Meiosis = haploid

24
Q

Number of phases

A

Mitosis = 4
Meiosis = 8