Genas Chromosomos Dalis Flashcards

(32 cards)

1
Q

Genetika

A

Tai biologijos mokslo saka tirianti organizmų paveldimumą ir kintamuma ju destinguma organizmo raida lemiancius genetinius veiksnius

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2
Q

Paveldimumas

A

Tai organizms budinga savybe perduoti kitoms kartoms savo pozymius ir vystimosi ypatybes

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3
Q

Kintamumas

A

Tai organizmu savybe igyti nauju pozymiu

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4
Q

Genetika Termina kas pradejo vartoti

A

1907 pradejo vartoti naudoti v beitsonas

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5
Q

G mendelis ką padare

A

Davė pradžia genetikai

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6
Q

Mokslo sritys

A

Molekuline genetika
Klasikine genetika
Klinikine genetika
Organizmu genetika
Populiaciju genetika

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7
Q

Veisle

A

Tai vienos rusies augalu arba gyvunu grupė turi vienodas paveldimasias savybes

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8
Q

Selekcija

A

Mokslas tiriantis gyvuju organizmu paveldimuju savybiu keitimas ir tobulinima

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9
Q

Dnr kas yra

A

Deoksiribo nukliovorugstys

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10
Q

Dnr sudaro

A

Kromosomas kuriu skaičius priklauso nuo organzimo rusies

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11
Q

Kariotipas

A

Organizmo somatinu lasteliu chromosomu visuma

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12
Q

Lytinese lastelese

A

Chromosomu yra per pus maziau

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13
Q

Genai tai

A

Tai dnr strukturos fragmentai kurie lemia organizmo pozymius

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14
Q

Mokslininkai

A

Dz votsonas,
F.h.k krikas
Mendelis
Beitsonas

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15
Q

Nukleotidai

A

Tai panasios sandaros mazos strukturos kurioms pasikartojant isligai susidaro dnr molekulee strukturos (grandine)

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16
Q

Nukleotida sudaro

A

Fosforo rugsties liekana
Angliavandenis (deoksiribare)
Arotines bazes

17
Q

Arotines bazes
Komplementarumo primcipas kas

A

Adenimas(A)
Timinas T
Guanimas G
Citorinas C
Toks azotiniu bazu issidestymo principas vadimas komplementarumo principu

18
Q

Homologines chromosomos

A

Porines vienodo dydzio ir formos chromosomos

19
Q

Aleliai

A

Tai gimininkj genu pora

20
Q

Dominuojantys ir recesyviniqi kaio zymimi

A

Dominuojantys Genai zymimi dydzioja raide A;B;C… ,o recesyviniai mazaja a;b;c…

21
Q

Replikacija

A

Dnr savybe gaminti savo kopija

22
Q

Galimi 3 aleliniu genu poru deriniai

A

AA dominuojantuys homozigotiniai(homozigota)

aa recesyvinis homozigota

Aa heterozigotinis

23
Q

Genotipas

A

Saveikaujanciuju genu visuma susidaranti apvaisinant

24
Q

Fenotipas

A

Tai organizmu pozymiu ir savybiu visuma kuria lemia genotipas

25
P
Teviniai genotipai
26
X
Kryzminimas
27
G
Gametos (lytines lasteles)
28
F1
Pirmoji palikuoniu karta
29
Monohibridinis kryzminimas
Tai kryzminimas kuri atlieka tiramas vienas aleliniu genu poros paveldejimas nes analizuojant tik viena galimu požymiu pora
30
Koks tinklelis
Peneto
31
Pirmasis mendelio desnis
1 kartos palikuoniu vienodumo desnis
32
Antrasis mendelio denis
Pozymiai isiskyrimo desniu