Page 1 of 1: Genetics via mnemonics !!!

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DNA: Z vs. B form: which is inactive
ZZZZ is sleeping (inactive). B form is therefore active DNA.

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Hurler Syndrome features HURLER'S:
Hepatospenomegaly
Ugly facies
Recessive (AR inheritance)
L-iduronidase deficiency (alpha)
Eyes clouded
Retarded Short/
Stubby fingers

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Blots: function of Southern vs. Northern vs. Western

SN0W DR0P:

· Match up the 1st word letter with 2nd word letter:
Southern=DNA
Northern=RNA
Western=Protein
· The 0's in snow drop are zeros, since there is no Eastern blot.

whiteguardian · Credits: 9523 My Scrapbook

Marfan syndrome features MARFAN:

Mitral valve prolapse
Aortic Aneurysm
Retinal detachment
Fibrillin
Arachnodactyly
Negative Nitroprusside test (differentiates from homocystinuria)

whiteguardian · Credits: 9523 My Scrapbook

Mitochondrial DNA (mt DNA) properties
"mt DNA".
mt stands for:
Maternal Transfer
Mutates Tremendously (high mutation rate)

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Imprinting diseases: Prader-Willi and Angelman

Pray to an Angel:

Prader-Willi and Angelman are the 2 classic imprinting diseases. · Which disease results, depends on whether 15q deletion is maternal or paternal. Keep them straight by: Paternal is Prader-Willi.

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Chromosome 15 diseases
Chromosome 15 has its own MAP:
Marfan syndrome
Angelman syndrome
Prader-Willi syndrome

jesee · Credits: 413 My Scrapbook

nice..

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