meiosis Flashcards

1
Q

qué tipo de células se forman en la meiosis?

A

haploides, que maduran a gametos

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2
Q

de qué está constituido el cromosoma?

A

cromatina

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3
Q

qué es la cromatina

A

molécula de DNA de doble cadena asociada con
proteínas histonas y no histonas

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4
Q

En qué etapas los cromosomas son visibles al microscopio?

A

durante división
celular, mitosis o meiosis

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5
Q

¿qué son los cromosomas homólogos?

A

los integrantes de cada par
cromosómico

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6
Q

célula haploide

A

número de
cromosomas en un conjunto completo 23 –
gametos o precursores

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7
Q

célula diploide

A

número de
cromosomas en dos conjuntos 46 – origen
paterno y materno

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8
Q

las células somáticas son haploides o diploides?

A

diploides

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9
Q

G1

A

punto de control del DNA

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10
Q

G0

A

permanece durante años

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11
Q

S

A

duplica el material genético
cromosomas de 2 cromátidas hermanas

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12
Q

¿dónde y por quién se lleva a cabo la meiosis?

A

Se lleva a cabo en las gónadas por las células precursoras
de gametos

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13
Q

meiosis masculina

A

terminan cuatro células –espermatozoides cada uno con información diferente

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14
Q

meiosis femenina

A

termina una célula viable –ovocito- y tres
corpúsculos polares, cada uno con información diferente

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15
Q
A
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