Meiosis 1 Flashcards

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1
Q

Interphase

A

-DNA is replicated
-cell carries out normal functions
-cell growth occurs

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2
Q

Meiosis 1

A

-reduces number of chromosomes
-creates genetic diversity
-result is 2 daughter cells

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3
Q

Prophase 1

A

-nuclear membrane breaks down
-centrosome, centrioles, and spindle fibers form and assemble
-HOMOLOGOUS CHROMOSOMES pair up
-crossing over takes place

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4
Q

Metaphase 1

A

-spindle fibers move HOMOLOGOUS CHROMOSOMES to metaphase plate (equator)
-each side has chromosomes from each parent
-chromosomes line up in pairs on metaphase plate
*metaphase plate ~> HORIZONTAL

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5
Q

Anaphase 1

A

-paired HOMOLOGOUS CHROMOSOMES separate and move to opposite sides of the cell
-WHOLE chromosomes moves
-sister chromatids remain ATTACHED

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6
Q

Telophase 1

A

-spindle fibers disassemble
-each cell has chromosomes from BOTH parents

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7
Q

Cytokinesis (in meiosis 1)

A

Cell undergoes cytokinesis and the result is 2 daughter cells (genetically similar+ Diploid)

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