GENERALIDADES (CLASE) Flashcards

1
Q

Aumento de tamaño y peso

A

CRECIMIENTO

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2
Q
  • Maduración morfológica y funcional.
  • Proceso continuo desde la fecundación hasta la vida adulta.
A

DESARROLLO

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3
Q

Molécula de ADN de doble cadena asociada con proteínas histonas.

A

CROMATINA

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4
Q

En el cromosoma ¨p¨

A

BRAZO CORTO

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5
Q

En el cromosoma ¨q¨

A

BRAZO LARGO

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6
Q

CARIOTIPO HUMANO
(Células somáticas)

A

46 CROSOMAS
(23 pares—-en cada par un crosoma de origen materno y uno de origen paterno).

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7
Q

Número de autosomas

A

1 a 22

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8
Q

Número de cromosoma sexuales

A

X e Y

XX o XY

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9
Q

Los cromosomas son organizados en:

A

7 grupos

A: 1-3
B: 4-5
C 6-12
D: 13-15
E: 16-18
F: 19-20
G: 21-22

-Sexuales XX o XY

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10
Q

Número de cromsomas en un conjunto completo.

A

23 cromosomas
(gametos o precursores)

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11
Q

Número de cromosomas en dos conjuntos.

A

46 cromosomas
(origen paterno y materno)

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12
Q

HAPLOIDE O DIPLOIDE

Células somáticas

A

DIPLOIDES

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13
Q
  • Recombinación genética
  • División reduccional (46 a 23c por célula)
A

MEOISIS I

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14
Q

División longitudinal- (23 cromosomas de 2 cromátidas a 23 cromosomas de una por célula).

A

MEOSIS II (no hay fase S)

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