Chapter 9 Flashcards

1
Q

gene mutations involving one or a few base pairs that are not detectable by cytogenetic methods but are detected at the DNA sequence level

A

point mutations

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2
Q

what is the most common mutation screening procedure in the clinical lab

A

single strand conformation polymorphism

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3
Q

what hybridization relies on binding effects of nucleotide mismatches

A

allele specific oligomer hybridization ASO

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4
Q

denaturation of DNA to single strands will result in loss of what

A

fluorescence

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5
Q

what is used to investigate multiple genomic sites simultaneously

A

array Technologies

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6
Q

what interogates thousands of genes a Simultaneously

A

high-density oligonucleotide arrays

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7
Q

what is a two-base deletion

A

frameshift mutation

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8
Q

the code on UGG is mutated to UGA. What will happen to the encoded protein

A

the encoded protein will be prematurely terminated

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9
Q

substitution of leucine with Valene in an amino acid sequence is what type of mutation

A

conservative

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10
Q

which mutation is more likely to result in a phenotypic change

A

frameshift mutation at the beginning of the coding sequence

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11
Q

ELISA is based on what earlier method first used to detect insulin in plasma

A

RIA

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12
Q

what describes the size exclusion HPLC

A

porous beads trap smaller molecules and exclude larger ones

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13
Q

which laboratory method is used to detect mutations relied on differences in dissociation of double-stranded DNA into single stranded DNA at different points in a gel

A

denaturing gradient gel electrophoresis

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14
Q

what methodology was used in the human haplotype mapping project

A

inversion probe assay

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15
Q

which method detects mutations in a sequencing polymerization based method

A

dideoxy DNA fingerprinting

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16
Q

what method can be used to screen for the presence of unknown mutations

A

high-density array

17
Q

which SI can be used in high throughput applications

A

homogeneous Mass extend

18
Q

what is critical to the success of sequence specific PCR

A

the three base of the primer must be complementary to the template