Beth yw cromosom?

WJEC CELLRANIAD A BÔN-GELLOEDD

Quiz
•
Biology
•
10th Grade
•
Medium
L Evans
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Enw arall am DNA
Strwythur llinol sy’n cynnwys genynnau
Celloedd gwaed coch
Rhan o’r gell sy’n creu protein
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Faint o gromosomau sydd fel arfer mewn celloedd y corff dynol?
23
24
46
92
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw swyddogaeth mitosis?
Creu gametau
Rhannu’r gell yn bedair rhan
Tyfiant, atgyweirio a chreu celloedd unfath
Lleihau’r nifer o gromosomau
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw swyddogaeth meiosis?
Creu gametau gyda hanner y nifer o gromosomau
Codi tymheredd y gell
Creu celloedd imiwnedd
Atgyweirio meinwe wedi’i niweidio
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw canlyniad mitosis?
Pedair gell wahanol
Dwy gell unfath
Un gell newydd
Dwy gell gyda hanner y DNA
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw canlyniad meiosis?
Dwy gell unfath
Pedair gell wahanol gyda hanner y nifer o gromosomau
Celloedd i atgyweirio meinwe
Dim newid mewn DNA
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sut mae canser yn digwydd ar lefel gellog?
Rhaniadau meiosis anghywir
Rhaniadau mitosis sy’n afreolus ac anghyfyngedig
Diffyg genynnau
Mwy o fwyd
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