meiosis Flashcards

1
Q

Meiosis

A

When gamete (sperm or egg)
cells reproduce themselves

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2
Q

What happens during meiosis

A

a single diploid cell
divides and produces FOUR haploid reproductive cells.

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3
Q

what happens in meiosis

A

Meiosis there is one chromosome
duplication followed by two cellular
divisions (into four cells) so Meiosis is
broken down into Meiosis I and Meiosis II.

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4
Q

Bruh we in a mchicken

A

😭 😭 😭 😭

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5
Q

How many sources of genetic recombination are there

A

2

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6
Q

what are the 2 sources of genetic recombination

A

! Crossing over
@ Independant assortment

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7
Q

what is crossing over

A

Non-sister chromatids of a chromosome pair exchange
their genetic material.

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8
Q

Independent assortment.

A

Homologous chromosomes are distributed to
daughter cells randomly.

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9
Q

Compare Meiosis 1 and Mitosis

A

Meiosis I:
β–  Prophase I - pairing of
homologous
chromosomes
β–  Metaphase I –
homologous pairs line up
at metaphase plate
β–  Anaphase I – homologous
chromosomes separate
β–  Telophase I – daughter
cells are haploid

β–  Mitosis:
β–  Prophase has no such
pairing

β–  Metaphase –
chromosomes align at
metaphase plate
β–  Anaphase – sister
chromatids separate

β–  Telophase – diploid cells

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10
Q
A
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