Gametogenesis LECTURA Flashcards

1
Q

que es la gametogenesis

A

formation de los gametos

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2
Q

que proceso ocurre en la gametogenesis?

A

meiosis

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3
Q

que le pasa a los cromosomas en la gametogenesis

A

los cromosomas se reducen a la mitad de números

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4
Q

a partir de que tipo de células ocurre la gametogenesis

A

cells germinales primordiales bipotenciales

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5
Q

cromosoma se define por la presencia de un…

A

centromero

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6
Q

cuantas cromáticas tienen los cromosomas antes de la reeplicacion en fase S

A

1 unica cromatida

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7
Q

despues de la replicacion, cuantas cromáticas presentan los cromosomas?

A

2 cromatidas

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8
Q

que son los gametos

A

celulas sexuales

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9
Q

tras la división meiotica, cuantos cromosomas quedan

A

de tener 46 a tener 23

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10
Q

el citoplasma se conserva durante la ovogénesis V o F

A

V

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11
Q

que forma el citoplasma que se conserva durante la ovogénesis.

A

ovocito maduro/secundario y cuerpo polar

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12
Q

que son los corpúsculos polares

A

pequenas células no funcionales que finalmente degeneran

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13
Q

cuantos cromosomas tiene el esperma y el ovocito por separado

A

23

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14
Q

que son las células somáticas

A

celulas diploide (46), no sexuales

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