Föreläsning 1 Flashcards

DNA, gener & alleler

1
Q

Allel

A

Genvariant

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2
Q

Aminosyra

A

Kroppens byggstenar, bygger upp protein

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3
Q

Kodominant

A

När den dominanta genen uttrycks tillsammans med den recessiva genen

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4
Q

Dominant

A

En allel vars fenotyp uttrycks i både homo- och heterozygoter

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5
Q

Fenotyp

A

Genotyp + miljö. De synliga egenskaperna

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6
Q

Gen

A

En bit DNA som kodar för en viss egenskap/ett visst protein

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7
Q

Genotyp

A

En individs genetiska uppsättning

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8
Q

Heterozygot

A

Individ som har 2 olika alleler i en gen

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9
Q

Homozygot

A

Individ som har dubbel uppsättning av en allel i en gen

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10
Q

Lokus

A

Den plats på en kromosom där man hittar allelerna för en gen

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11
Q

Purin

A

Organisk förening som utgör en grundläggande strukturell enhet i DNA eller RNA. Purin (A & G) parar sig alltid med en pyrimidin

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12
Q

Pyrimidin

A

Organisk förening som utgör en grundläggande enhet i DNA eller RNA. Pyrimidin (C & T/U) parar sig alltid med en purin

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13
Q

Recessiv

A

en allel vars fenotyp endast uttrycks hos homozygoter

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14
Q

Vildtyp

A

den vanligaste allelen för en egenskap

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