Mendelska Genetika Flashcards

1
Q

Genotip

A

Genetski zapis (AA, AA, Aa)

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2
Q

Fenotip

A

Izražena lastnost (bel, nagubano…)
Ni nujno vidno
Vplivata genotip in okolje

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3
Q

Homozigot

A

Organizem, ki ima za opazovano lastnost oba alela enaka (aa, AA)

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4
Q

Heterozigot

A

Organizem, ki ima za opazovano lastnost oba alela različna (Aa)

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5
Q

Gen

A

Del DNK, ki nosi zapis za eno beljakovino (gen za barvo las)

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6
Q

Alel

A

Različica gena (alel za rjave lase, alel za črne lase)

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7
Q

Dominantni alel

A

V kombinaciji z recesivnim se izrazi (velika črka npr. A)

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8
Q

Recesivni alel

A

Izrazi se le v homozigotu (z malo črko aa)

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9
Q

Mutacije

A

Sprememba v zgradbi DNK (zaporedje nukleotidov)

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10
Q

Modifikacije

A

Razlike v fenotipu, pojavijo se zaradi vpliva okolja

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11
Q

Vpliv okolja

A

Genetsko enaki organizmi v različnih okoljih, razlike ki se pojavijo so vpliv okolja

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12
Q

Vpliv genov

A

Genetsko različni organizmi v enakem okolju - razlike so vpliv genov

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13
Q

Genski lokus

A

Položaj gena na kromosomu

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14
Q

Monohibridno križanje

A

Križanca se razlikujeta v eni opazovani lastnosti

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15
Q

Dihibridno križanje

A

Križanca se razlikujeta v dveh opazovanih lastnostih

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