Genetiske definitioner, arvegange, stamtræer og mutationstyper Flashcards

1
Q

Alleler

A

Forskellige udgaver af et gen

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2
Q

Hvad er law of segregation

A

alleler for en given egenskab adskiller sig i løbet af gametdannelsen og ender i forskellige gameter

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3
Q

Homozygote

A

Identiske alleler

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4
Q

Heterozygote

A

Forskellige alleler

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5
Q

True-breeding organismer

A

organismer der får afkom med de samme fænotypiske træk. Dvs. begge er homozygote. Kan være 2 recessive eller 2 dominante

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6
Q

Hvad er en familie-stamtavle (family pedigree)?

A

Et træ, der beskrive de genetiske informationer for en familie gennem mange generationer

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7
Q

Polygenisk

A

Mange gener der påvirker en bestemt fænotype

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8
Q

Amniocentesis

A

En foster-testing teknik, der bruger den amnotiske væske der omringer fosteret

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9
Q

Chorionic villus sampling

A

En foster-testing teknik, der hurtigere end amniocentesis

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10
Q

Typer små mutationer

A

Substitutioner og insertioner eller deletioner

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11
Q

Mutagener

A

Fysiske eller kemiske agenter, der interagerer med DNA og forårsager mutationer

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