Genetics (L14) Flashcards by Keeley McGee | Brainscape

Q

define genetyope

A

genetic constitution of an individual

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Q

Phenotype:

A

trait determined by genotype +/- environment

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Q

define ALLELE

A

alternative form of a gene at a specific locus

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Q

structural sections of a gene

A

promotor, exon, intron

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Q

define monogeneteic disorders

A

simple inheritence

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Q

define pleiotrphy

A

one gene= multiple effects

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Q

define polygenic

A

multiple genes= one effect

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Q

intra species variation of humans

A

o.1

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Q

what are SNPs

A

single nucleotide polymorphism

- one position change

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Q

result of different changes to form of gene

A

amount of protein produced

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Q

why do axons have less diversity than other regions of genes

A

has a larger cost when changed

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Q

2 types of SNPs

A

Synonymous (silent) (no aa change)

nonSynonymous (change)

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Q

2 types of nonSynonymous changes

A

Missense (amino acid change)

* Nonsense (change to termination)

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Q

consequences of changes to genotype

A

fitness cost change

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