Meiosis Flashcards

1
Q

Meiosis:

A

Al final tendremos 4 celulas hijas con la mitad de los cromosomas

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2
Q

Primer meiosis

A

Se separas cromosomas homologos (dos celulas)

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3
Q

Segunda meiosis

A

Separan cromatidas hermanas

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4
Q

Profase 1

A

Los cromosomas paterno y materno hacen una recombinacion homologa
Se crea el complejo sinaptonemico

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5
Q

Quiasma

A

Zona de union de las cromatidas hermanas

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6
Q

Cohesinas

A

Mantienen unidas a las cromatidas hermana

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7
Q

Leptoteno (profase1)

A

Condensan cromosomas y buscan su homologo

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8
Q

Cigoteno (profase 1)

A

Se forma el complejo sinaptonemico (emparejamiento entre cromatidas hermanas)

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9
Q

Paquiteno (profase 1)

A

Se ensamblan los cromosomas

Se entrecruzan

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10
Q

Diploteno (profase 1)

A

De desensamblan el complejo

Se observa el quiasma (zona de entrecruzamiento)

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11
Q

Diacinesis (profase 1)

A

Etapa de transicion de metafase 1

Se pierde la membrana nuclear

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12
Q

Metafase 1

A

Los cromosomas se van a la mitad y las cromatidas hermanas se horientan al mismo polo

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13
Q

Anafase 1

A

Los cromosomas homologos se van hacia cada polo

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14
Q

Telofase 1

A

Se vuelve a formar la membrana nuclear

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15
Q

Profase 2

A

Se rompe la membrana nuclear

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16
Q

Metafase 2

A

Se alinean a la mitad los cromosomas

17
Q

Anafase 2

A

Se separan las cromatidas hermanas y se van a los polos

18
Q

Telofase 2

A

Se forma de nuevo la membrana nuclear