Meiosis Flashcards

(21 cards)

1
Q

Gametes

A

Reproductive cells

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2
Q

Somatic cells

A

All body cells except reproductive

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3
Q

Locus

A

A gene’s specific location on chromosome

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4
Q

Homologous chromosomes (homologs)

A

23 pairs
1-1
2-2
3-3

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5
Q

Female chromosomes

A

XX

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6
Q

Male chromosomes

A

XY

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7
Q

Diploid cell

A

Two sets of chromosomes
2n=46

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8
Q

Haploid cells

A

1 set of chromosomes

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9
Q

Meiosis

A

Forms gamete cells
2—>1

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10
Q

Sister chromatids

A

2 copies of 1 chromosome and are associated with

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11
Q

Homologous pair

A

1 from mom 1 from dad

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12
Q

Interphase

A

Each chromosomes replicates

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13
Q

Prophase 1

A

Chromosomes begin condensing
Crossing over occurs

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14
Q

Chiasmata

A

X shaped regions where cross over occurred

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15
Q

Metaphase 1

A

Homologs arrange at metaphase plate

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16
Q

Anaphase 1

A

Homologs separate

17
Q

Telophase 1 and cytokinesis

A

Each half of the cell has a complete haploid set of duplicated chromosomes

18
Q

Result of end of telophase 2

A

4 haploid daughter cells

19
Q

Independent assortment

A

Random orientation of pairs of homologous chromosomes at metaphase 1

20
Q

Codominance

A

Both traits are seen

21
Q

Incomplete dominance

A

Blend between both traits