Meiosis Flashcards

1
Q

Fases

A

(Profase-Metafase-Anafase-Telofase) x2 y citocinesis

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2
Q

Propósito

A

Proceso de división celular el cual forma gametos

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3
Q

Meiosis gametogenica

A

Partimos de una célula de una célula diploide con 46 cromosomas (23pares) la cual duplicará sus células y dará lugar a dos hijas y esas dos hijas a dos más finalizando con 4 células haploides

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4
Q

Células hijas

A

Células con 23 cromosomas células haploides (sin pares de cromosomas)

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5
Q

Profase 1

A

Se condensa después de un entrecruzamiento entre dos cromosomas homólogos.

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6
Q

Anafase

A

Cada cromosoma se va a aun polo

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7
Q

Anafase 2

A

Se separan las cromátidas hermanas

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9
Q

Fases de la profase 1

A

Leptoteno, cigoteno, paquireno, diploteno, diacinesis

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10
Q

Leproteno

A

Los cromosomas individuales se ordenan

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11
Q

Cigoteno

A

Los cromosomas homólogos se aproximan

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12
Q

Paquiteno

A

Los cromosomas cambian material genético

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13
Q

Diploteno

A

Comienza la separacion de coromosomas homologos unidos por los quiasmas

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14
Q

Diacinesis

A

Los cromosomas se condensan al máximo y desaparece la membrana nuclear

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15
Q

Metafase 1

A

Se separan los cromosomas homólogos y Las cromatidas hermanas se mantienen juntas por la cohesina

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18
Q

Interfase

A

Espacio entre la metafase 1 y la profase 2

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