Modes of Inheritance Flashcards

1
Q

Prader-Willi synd

A

Paternal allele not expressed

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2
Q

Angelman’s synd

A

Maternal allele not expressed

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3
Q

hypophosphatemic rickets

A

X-linked dominant

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4
Q

MERRF

A

mitochondrial inheritance

myoclonic seizures + myopathy ass w/ exercise

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5
Q

Leber optic neuritis

A

mitochondrial inheritance

bilateral vision loss

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6
Q

MELAS

A

mitochondrial inheritance

mitochondrial encephalopathy w/ lactic acidosis and stroke-like episodes

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7
Q

achondroplasia

A

AD

mut in FGFR-3

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8
Q

ADPKD

A

AD

mut in PKD1 (chrom 16)

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9
Q

familial adenomatous polyposis

A

AD

chrom 5 (mut APC gene)

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10
Q

familial hypercholesterolemia (hyperlipidemia type IIA)

A

AD

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11
Q

hereditary hemorrhagic telangiectasia (Osler-Weber-Rendu synd)

A

AD

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12
Q

hereditary spherocytosis

A

AD

defect in spectrin or ankyrin

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13
Q

Huntington’s dz

A

AD

chrom 4 (CAG repeat)

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14
Q

Marfan’s synd

A

AD

fibrillin-1 mut

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15
Q

multiple endocrine neoplasias (MEN)

A

AD

MEN 2A/2B - ass w/ Ret gene

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16
Q

NF-1 (von Recklinghausen’s dz)

A

AD

long arm of chrom 17

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17
Q

NF-2

A

AD

chrom 22

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18
Q

tuberous sclerosis

A

AD

mutated hamartin (or tuberin) gene

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19
Q

VHL dz

A

AD

del of VHL gene on chrom 3p (const activ of HIF + angiogenic factors)

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20
Q

cystic fibrosis

A

AR

CFTR gene on chrom 7 (del of Phe 508)

21
Q

albinism

22
Q

ARPKD

23
Q

glycogen storage diseases

24
Q

hemochromatosis

25
mucopolysaccharidoses (except Hunter's)
AR
26
PKU
AR
27
sickle cell anemia
AR
28
sphingolipidoses (except Fabry's)
AR
29
thalassemias
AR
30
Bruton's agammaglobulinemia
X-linked recessive
31
Wiskott-Aldrich synd
X-linked recessive
32
Fabry's dz
X-linked recessive
33
G6PD deficiency
X-linked recessive
34
ocular albinism
X-linked recessive
35
Lesch-Nyhan synd
X-linked recessive
36
Duchenne's (and Becker's) muscular dystrophy
X-linked recessive
37
Hunter's synd
X-linked recessive
38
Hemophilia A + B
X-linked recessive
39
Ornithine transcarbamoylase deficiency
X-linked recessive
40
cri-du-chat
congenital microdeletion of short arm of chrom 5
41
Fragile X synd
X-linked dominant methylation/expression of FMR1 gene
42
Alport synd
X-linked recessive
43
Charcot-Marie-Tooth dz
X-linked recessive
44
adrenoleukodystrophy
X-linked recessive
45
Androgen insensitivity synd
X-linked recessive
46
Williams synd
congenital microdel of long arm of chrom 7 (del region includes elastin gene)
47
Gardner's synd
AD | mut in APC gene
48
HNPCC/Lynch synd
AD mutation of DNA mismatch repair genes proximal colon ALWAYS involved
49
Rett's disorder
X-linked dom | mut of MECP-2 gene on X-chrom