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Biology Exam 4 > Meiosis and Meitosis > Flashcards

Meiosis and Meitosis Flashcards

1
Q

What is the key to sexual reproduction

A

meiosis

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2
Q

one diploid cell divides into

A

four haploid cells

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3
Q

how many rounds of division in meiosis

A

two

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4
Q

what involves genetic reccombination

A

meiosis

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5
Q

what increases genetic variability

A

meiosis

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6
Q

what involve the “cross over” of homologous chromosomes

A

meiosis

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7
Q

What phase does the separation of homologous chromosomes into two haploid daughter cells

A

meiosis 1

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8
Q

what phase do the chromosomes condense

A

Prophase 1 (meiosis)

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9
Q

what phase do the homologous chromosomes line up together

A

prophase I (meiosis)

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10
Q

what phase does reccombination occur

A

prophase I (Meiosis)

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11
Q

what phase do the spindles form

A

prophase I (Meiosis)

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12
Q

what attaches to the chromosomes in prophase I (meiosis)

A

kinetochord

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13
Q

what phase does the nuclear envelope break down?

A

prophase I (meiosis)

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14
Q

What phase do the chromosomes line up at the equator

A

Metaphase I

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15
Q

Are the homologous pairs still together during metaphase I

A

YES

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16
Q

What phase do the homologous pairs separates to oppisite sides

A

anaphase I (meiosis)

17
Q

are the sister chromatids still together during anaphase I

A

YES

18
Q

what are the chromosomes pulled by during anaphase I (meiosis)

A

spindle microtubules

19
Q

what phase does the spindle disappear

A

Telophase I (meiosis)

20
Q

what phase does the nuclear envelope reform

A

Telophase I (meiosis)

21
Q

what phase does cytokinesis occur`

A

Telophase I (meiosis)

22
Q

Two daughter cells have in meiosis

A

one of each chromosome pair

23
Q

what phase do the sister chromatids separate into two haploid daughter cells

A

meiosis II

24
Q

what phase do the chromosomes recondense

A

prophase II (mei)

25
Q

what phase does the spindle reform

A

prophase II (MEI)

Biology Exam 4 (4 decks)

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