Meiosis Flashcards

1
Q

where are homologous pairs found

A

the body cells

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2
Q

how are the two chromosomes of each pair are similar

A

size shape and genetic trait

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3
Q

what is a diploid number

A

the number of the chromosomes in each body cell

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4
Q

how many body cells do humans have

A

46

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5
Q

haploid number

A

the number of gametes or sex cells

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6
Q

how many haploid cells are there in humans

A

23

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7
Q

egg cell

A

cells formed by females during meiosis

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8
Q

sperm cell

A

a cell formed by males during miosis

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9
Q

fertilization

A

a union of egg and sperm to make a new organism

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10
Q

zygote

A

a female egg cell

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11
Q

what happens in mitosis

A

the resulting cells have
the exact number and kind of chromosomes as the original
parent cell

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12
Q

what If mitosis was the only way to reproduce cells,

A

then fertilized
eggs would have double the
amount of chromosomes.

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13
Q

miosis

A

is a special type of cell
division that produces cells with half the number of chromosomes

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14
Q

meiosis only occurs in what

A

gametes, bc
when they are produced, they have
half the number of chromosomes.

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15
Q

what is a zygote

A

is a fertilized egg which
will then have the correct number of chromosomes.

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16
Q

what happens during meiosis

A

Cells divide 2 times and up to 4 cells can be produced. If a human female has 46 chromosomes in a
somatic (body cell), then 23 would
be found in a human egg cell.

17
Q

Spermatogenesis

A

is the male version of Meiosis and produces four new cells that are NOT identical to the parent cell or each
other.

18
Q

Spermatogenesis produces what

A

2
sperm with an X chromosome and
2 sperm with a Y.

19
Q

oogenesis

A

is the female version of
Meiosis it is unlikely that Oogenesis will produce more than one egg.
They will all have an X chromosome.

20
Q
A