MEIOSIS Flashcards

1
Q

DEFINICIÓN

A

TIPO DE DIVISIÓN DONDE UNA CELULA 2N ORIGINA A CUATRO CÉLULAS N

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2
Q

MEIOSIS I

A

-MEIOSIS REDUCCIONAL
-SE ORIGINA DOS CÉLULAS N

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3
Q

PROCESOS

A

-PROFASE I
-METAFASE I
-ANAFASE I
-TELOFASE I Y CITOCINESIS

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4
Q

PROFASE I

A

-APARECE LOS CROMOSOMAS
-APARTO MITÓTICO

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5
Q

EVENTOS DE LA PROFASE I

A

-LEPTONEMA
-CIGONEMA
-PAQUINEMA
DIPLONEMA
-DIACINESIS

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6
Q

LEPTONEMA

A

-LA CROMATINA SE ADHIERE A LA CARIOTECA FORMANDO UN RAMO,AL CUAL SE LE DENOMINA BOUQUET

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7
Q

CIGONEMA

A

-LAS CROMOSOMAS SE CONDESAN Y SE DA EL APAREAMIENTO DE CROMOSOMAS(SINAPSIS)

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8
Q

PAQUINEMA

A

-SE DA EL INTERCAMBIO GENÉTICO,DONDE LOS GENES DE UN CROMOSOMA SALTA A OTRO,ESTE PROCESO SE LLAMA CROSSING OVER.

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9
Q

DIPLONEMA

A

-LOS CROMOSOMAS HOMOLOGAS COMIENZAN A SEPARARSE MANTENIENDO PUNTOS DE UNION LLAMADOS QUIASMA

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10
Q

DIACINESIS

A

-HAY MENOR CANTIDAD DE QUIASMAS
-SE DESINTEGRA EL NUCLEO Y CARIOTECA

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11
Q

METAFASE I

A

LOS CROMOSOMAS SE ALINEAN FROMANDO LA DOBLE PLACA ECUATORIAL

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12
Q

ANAFASE I

A

SE

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13
Q

MEIOSIS II

A

MEIOSIS ECUACIONAL

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14
Q

PROCESOS

A

-PROFASE II
-METAFASE II
-ANAFASE II
-TELOFASE II Y CITOCINESIS

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15
Q
A
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