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Science > Meiosis > Flashcards

Meiosis Flashcards

1
Q

Diploid

A

Two sets of chromosomes

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2
Q

Haploid

A

One set of chromosomes

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3
Q

How many body cells do humans have?

A

46 chromosomes

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4
Q

The process of meiosis produces gametes with __________ as body cells

A

Half the number of chromosomes (23 from each parent)

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5
Q

Sexual reproduction

A

Requires 2 parents and increases genetic diversity

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6
Q

Gametes

A

Specialized cells; sperm from males and eggs from females

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7
Q

Zygote

A

New diploid cell formed by the process of fertilization

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8
Q

Genetic diversity

A

Variety in species

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9
Q

Embryo

A

Develops a form of zygote

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10
Q

Homologous chromosomes

A

Matching chromosomes

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11
Q

Fertilization

A

Process in which gametes from two parents combine

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12
Q

Meiosis 1

A

Starts with a diploid cell and ends with 2 haploid cells

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13
Q

Meiosis 2

A

Stars with 2 haploid cells and ends with 4 haploid cells

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14
Q

Interphase 1

A

Same as mitosis

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15
Q

Prophase 1

A

Chromosomes begins to condense and pair up. Align with their homologous partner so they match up

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16
Q

Prophase 2

A

Daughter cells only have 1 copy of each homologous chromosome

No synapsis/crossing over

17
Q

Metaphase 2

A

Sister chromatids line up across the middle of the cell and is completely random

18
Q

Anaphase 2

A

Pulled to the end of the cell

19
Q

Telophase 2

A

Cytoplasm is reformed

2 cells in one cytoplasm

20
Q

Cytokinesis

A

Separation of the 2 cells resaulting in 4 unique haploid cells

(Gametes)

Science (8 decks)

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