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A&P II > APII Final Exam > Flashcards

APII Final Exam Flashcards

1
Q

Games, or ________

A

Sex cells

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2
Q

Gonads produce _______ and _________

A

hormones; gametes

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3
Q

________ (male gonads): Produce sex cells called sperm

A

Testes

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4
Q

Testes (male ______): Produce sex cells called sperm

A

Gonads

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5
Q

Testes (male gonads): Produce sex cells called ______

A

Sperm

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6
Q

_______ (female gonads): Produce sex cells called ova
(oocytes, eggs)

A

Ovaries

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7
Q

Ovaries (female _______): Produce sex cells called ova
(oocytes, eggs)

A

Gonads

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8
Q

Ovaries (female gonads): Produce sex cells called _____
(oocytes, eggs)

A

Ova

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9
Q

Ovaries (female gonads): Produce sex cells called ova
(_______, _______)

A

Oocytes; eggs

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10
Q

Sex cells have ___ chromosomes, compared to 46
chromosomes in other body cells

A

23

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11
Q

Sex cells have 23 chromosomes, compared to __
chromosomes in other body cells

A

46

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12
Q

When sperm and egg unite at fertilization, genetic
information carried on __ chromosomes is restored

A

46

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13
Q

Sex cells are produced by a special type of division called
__________

A

Meiosis

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14
Q

________ consists of 2 successive divisions, the first (meiosis I) and second
(meiosis II) meiotic divisions

A

Meiosis

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15
Q

Meiosis consists of 2 successive divisions, the first (________) and second
(meiosis II) meiotic divisions

A

Meiosis I

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16
Q

Meiosis onsists of 2 successive divisions, the first (meiosis I) and second
(________) meiotic divisions

A

Meiosis II

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17
Q

How many divisions of meiosis are there?

A

Two

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18
Q

Prior to meiosis, each chromosome _________ and contains 2 DNA
strands, called chromatids, connected by a centromere

A

Replicates

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19
Q

Prior to meiosis, each chromosome replicates and contains 2 DNA
strands, called ________, connected by a centromere

A

Chromatids

20
Q

Meiotic ells are ______, containing 2 sets of chromosomes in 23 pairs

A

Diploid

21
Q

Meiosis ___ separates homologous (the same, gene for gene) pairs of
chromosomes

A

I

22
Q

Meiosis I separates homologous (the same, gene for gene) pairs of
chromosomes: they might not be ________, because the gene may have variants

A

Identical

23
Q

Meiosis I results in _________ cells, which contain 1 set of chromosomes; 23
chromosomes, 1 from each homologous pair

A

haploid

24
Q

Meiosis __ separates the chromatids

A

II

25
Q

Meiosis II Results in cells that are still _______, but whose chromosomes now have 1
chromatid

A

Haploid

26
Q

At end of this stage, each chromatid is considered a chromosome

A

Meiosis II

27
Q

What are the four phases of Meiosis I?

A

Prophase I
Metaphase I
Anaphase I
Telophase I

28
Q

Pairing of homologous chromosomes

A

Synapsis

29
Q

Which phase of meiosis involves synapsis?

A

Prophase I

30
Q

During which phase of meiosis I do chromosome pairs line up on midline of the spindle?

A

Metaphase I

31
Q

During which phase of meiosis is alignment random, with respect to maternal or paternal origin?

A

Metaphase I

32
Q

During which phase of meiosis do homologous chromosome pairs separate, each replicated member migrating to a different pole?

A

Anaphase I

33
Q

During which phase of meiosis does each daughter cell receive only 1 replicated member of each chromosome pair; which reduces the chromosome number by half?

A

Anaphase I

34
Q

During which phase of meiosis does each cell divide completely, forming 2 new haploid daughter cells?

A

Telophase I

35
Q

During which phase of meiosis does each new cell contain 23 individual chromosome with 2 chromatids?

A

Telophase I

36
Q

Meiosis II begins after Telophase I, and is similar to _______

A

Mitosis

37
Q

Meiosis II begins after __________, and is similar to mitosis

A

Telophase I

38
Q

What are the four phases of meiosis II?

A

Prophase II
Metaphase II
Anaphase II
Telophase II

39
Q

During which phase of meiosis II do chromosomes condense and reappear, still replicated?

A

Prophase II

40
Q

During which phase of meiosis II do replicated chromosomes attach to spindle fibers along the midline?

A

Metaphase II

41
Q

During which phase of meiosis II do centromeres separate, and chromatids migrate to opposite poles?

A

Anaphase II

42
Q

During which phase of meiosis II are chromatids now considered chromosomes?

A

Anaphase II

43
Q

During which phase of Meiosis II do each of 2 cells produced in Meiosis I divide into 2 daughter cells?

A

Telophase II

44
Q

Each cell entering meiosis could produce ___ gametes

A

4

45
Q

The last phase of meiosis ends with each sex cell having __ set of genetic instructions, or __ chromosomes, compare to 2 sets (46 chromosomes) in other cells

A

1; 23

A&P II (11 decks)

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