Mendeliana Instabile Flashcards

1
Q

Quelli sono es di Mendeliana instabile

A

X fragile
Huntington
Kennedy
Atassia spino cerebellare
Atassia di Friedreich
Distrofia muscolare di Steinert

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2
Q

In quale malattia si osserva L espansione di triplette, abbina
1) CGG
2) CAG
3)CTG
4) GAA

a) Friedrich
b) Huntington
c) Kennedy
d) Steinert
e) martin bell

A

CGG X fragile
CAG Huntington e Kennedy
CTG Steinert
GAA Friedreich

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3
Q

Mendeliana instabile e X linked quali malattie sono es.

A

Kennedy e X linked

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4
Q

Malattie Mendeliana instabile e autosomica dominante es.

A

Huntington penetranza completa
Spino cerebellare penetranza incompleta
Steinert

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5
Q

Mendel instabile e mitocmdoriale

A

Atassia di Friedreich

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6
Q

Gene dell X fragile

A

FMR1 Xq27.3

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7
Q

Gene Huntington

A

Gene HTT 4p16.3

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8
Q

Gene Friedrich

A

FRDA cromosoma 9q13

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9
Q

Geni Steinert

A

DMPK
CNBP

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10
Q

Spiega L amplificazione

A

Aumento di triplette a seguito di replication slippage nelle mendeliane instabili

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11
Q

Spiega io replicarion slippage

A

Processo che si verifica durante la replicazione e che prevede la formazione di anse e con aumento progressivo del numero delle ripetizioni

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12
Q

Fenotipo Steinert e Kennedy

A

Muscoli miotonia
SNC
Occhio cataratta
Ghiandole endocrine diabete
Cuore aritmie

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