Geenid, kromosoomid, DNA

Flashcard
•
Biology
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Mis määrab sugukromosoom, mida kannab munaraku viljastanud seemnerakk?
Back
Sugukromosoom, mida kannab munaraku viljastanud seemnerakk, määrab järglaste sugu.
2.
FLASHCARD QUESTION
Front
Mida tähendab dominantne alleel?
Back
Dominantne alleel on geeni vorm, mille määratud tunnus alati avaldub.
3.
FLASHCARD QUESTION
Front
Mis on mutageen?
Back
Mutageen on aine, mis võib põhjustada geneetilisi muutusi, näiteks ravim.
4.
FLASHCARD QUESTION
Front
Millised on sugukromosoomid imetajatel?
Back
Sugukromosoomideks on imetajatel X ja Y.
5.
FLASHCARD QUESTION
Front
Kui palju kromosoome on sugurakkudes võrreldes keharakkudega?
Back
Sugurakkudes on kromosoome poole vähem kui keharakkudes.
6.
FLASHCARD QUESTION
Front
Mis on DNA?
Back
DNA (deoksüriibonukleiinhape) on geneetilise informatsiooni kandja, mis määrab organismi arengut ja omadusi.
7.
FLASHCARD QUESTION
Front
Kuidas jagunevad kromosoomid sugurakkudes?
Back
Sugurakkudes on 23 kromosoomi, mis on pool organismi koguarvust (46).
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