Citogenetica Flashcards

1
Q

Nucléolo função:

A

Produção do RNAribossomico

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2
Q

Cromatina:

A

DNA associado a proteínas(histonas)

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3
Q

Eucromatina X Heterocromatina

A

Genes ativos X Genes inativos

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4
Q

Cromossomos:

A

DNA mais condensado que a cromatina

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5
Q

Cromatides

A

DNA duplicado

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6
Q

Diploide X Haploide

A

Cromossomos em par(2n) X Cromossomos sozinhos(n)

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7
Q

Cariótipo Humano

A

46 cromossomos->2n(Somáticos)
23 cromossomos->n(Gametas)

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8
Q

Corpúsculo de Barr oq é?

A

So ocorre nas mulheres, inativação de um X do par XX

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9
Q

Euploidia

A

Alteração do gene total do indivíduo

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10
Q

Aneuploidia

A

Aumento ou Diminuição de um ou poucos cromossomos

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11
Q

Síndrome de Down oq é:

A

Trissomia do cromossomo 21

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12
Q

Síndrome de Turner oq é:

A

Apenas um cromossomo sexual, X

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13
Q

Síndrome de Klinefelter oq é:

A

Três cromossomos sexuais, XXY

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14
Q

Síndrome de Edwards oq é:

A

Trissomia no cromossomo 18

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15
Q

Síndrome de Patau oq é:

A

Trissomia no cromossomo 13

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