
Erfðafræði æfingapróf.
Authored by Sigrún Þórólfsdóttir
Biology, Science
9th - 10th Grade
Used 62+ times

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23 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvað er RNA?
Sama og DNA
Afrit af DNA
Ensím sem stýrir framleiðslu hormóna
Skammstöfun fyrir rýriskiptingu
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Amínosýrur eru ...
natríumbasi frumunnar
erfðatákn kjarnans
buggingaeiningar prótína
niturbasar litninganna
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hve margir litningar eru í líkamsfrumu manns?
22
46
44
23
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Við rýriskiptingu...
skiptist ein fruma í tvær nýjar nákvæmlega eins frumur
skiptist einnhvað í tvo jafn stóra hluta.
verða til fjórar frumur sem hver um sig hefur helmingi færri litninga en móðurfruman.
verða til krabbameinsfrumur.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Eineggja tvíburar verða til úr...
1 eggi og 1 sáðfrumu
2 eggjum og 2 sáðfrumum.
1 eggi og 2 sáðfrumum.
1 sáðfrumu og 2 eggjum.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kona hefur í frumum sínum kynlitningana ...
xx
yy
xy
ekkert af þessu.
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Hvaða genagalli hefur það einkenni að blóð storknar hægt.
Krabbamein
Dreyrasýki
Downsheilkenni
Sykursýki
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