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Bio > Chapter 13 > Flashcards

Chapter 13 Flashcards

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Biology 101 flashcards
0
Q

What makes the Y chromosome different from other chromosomes?

A

Tiny with fewer genes
Only found in males
Sperm, but not eggs
Not fully homilies with X chromosomes

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1
Q

How many chromosomes does each human somatic cell contain?

A

46

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2
Q

X and y are what chromosomes?

A

Sex chromosomes

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3
Q

All non-sex chromosomes are what?

A

Autosomes

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4
Q

2 chromosome sets
Somatic cells
Makes up everything

A

Diploid

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5
Q

Gametes
1 single set of chromosomes
Sex cells

A

Haploid

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6
Q

Do all animals have the same number of chromosomes?

A

No

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7
Q

Gametes are diploid or haploid

A

Haploid

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8
Q

Gametes are formed by the process of?

A

Meiosis

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9
Q

Draw a diagram of the human life cycle

A

See ch. notes

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10
Q

In animals, only gametes are haploid and everything else is diploid. Is this true for Protists, fungi and plants?

A

No

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11
Q

Meiosis is preceded by what?

A

Duplication

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12
Q

How many cell divisions does meiosis have?

A

2

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13
Q

How daughter cells does meiosis result in?

A

4

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14
Q

Portions of homologous chromosomes (not sister chromatids) are swapped during prophase 1

A

Crossing over

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15
Q

No synapsis
2 daughter cells
Identical to parent cell

A

Mitosis

16
Q

Occurs during prophase
4 daughter cells
Genetically different from parent cell

A

Meiosis

17
Q

Homologous chromosomes seperate

A

Meiosis 1

18
Q

Chromosomes condense

A

Prophase I

19
Q

Tetrads lineup along the metaphase plate

A

Metaphase I

20
Q

Homologous chromosomes seperate

A

Anaphase I

21
Q

Chromosomes father at 2 ends of the cell

A

Telophase and cytokenesis I

22
Q

Sister chromatids seperate

A

Meiosis II

23
Q

Chromatids condense

A

Prophase II

24
Q

Chromatids lineup

A

Metaphase II

25
Q

Chromatids pull apart

A

Anaphase II

26
Q

New cell is formed

A

Telophase and cytokinesis II

Bio (17 decks)

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