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Bio > Genetika > Flashcards

Genetika Flashcards

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Biology 101 flashcards
1
Q

Molekuline

A

Tyrineja DNR struktūra ir funkcijas

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2
Q

Klasikine tiria pp

A

Požymių paveldėjimo is kartos i karta desnius

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3
Q

Klinikine tiria

A

Zmogaus genetiniu ligų diagnostika ir gydymo būdus

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4
Q

Organizmu tiria

A

Pagal konkrečius organizmus skirstoma į kelias sritis (augalų, gyvūnų)

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5
Q

Populiaciju

A

Tyrineja genetinius reiškinius, vykstančius populiacijose

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6
Q

Rūšis

A

Naturaliai susiformavusi Individų grupe turinčių bendra kilme, galincius kryzmintis tarpusavyje ir susilaukti vaisingu palikuoniu

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7
Q

Veisle

A

Vienos rusies augalu, gyvūnų grupe turinti vienodas paveldimasias išvaizdod, biologines ir ūkines savybes (žmogaus išvesta grupe)

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8
Q

Selekcija

A

Mokslas apie nauju veislių kūrimą ir esamų tobulinima

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9
Q

Selekcijos tikslas:

A

Išvesti veisles kuriu didesnis derlingumas ir produktyvumas zmogaus poreikiams patenkinti

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10
Q

Kaip vyksta selekcija?

A
  1. Atrenka geriausius individus
  2. Juos sukryžmina (daug metų)
  3. Gauti palikuonys kryžminami toliau
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11
Q

Metodine atranka

A

Kai is anksto numatomi norimi požymiai

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12
Q

Atsitiktinė atranka

A

Kai požymiai iš anksto nenumatomi

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13
Q

Kryzminimas giminingas

A

Kai kryžminami artimi giminaičiai

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14
Q

Kryzminimas negiminingas

A

Kai kryzminami nesusyje giminystės ryšiais

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