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A2 Amrywiad ac Esblygiad
Amrywiad ac Esblygiad
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Slide 1:
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Biology
Further Education (Key Stage 5)
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Amrywiad ac Esblygiad
Slide 1 - Tekstslide
Slide 2 - Tekstslide
Slide 3 - Tekstslide
Slide 4 - Tekstslide
Slide 5 - Tekstslide
Slide 6 - Tekstslide
Slide 7 - Tekstslide
Slide 8 - Tekstslide
Beth yw gwasgedd detholiad?
A
Ffactorau sy'n effeithio ar goroesi
B
Drifft geneteg mewn poblogaeth
C
Cyfradd mwtaniad mewn rhywogaeth
D
Paru ar hap rhwng unigolion
Slide 9 - Quizvraag
Beth yw ystry modd?
A
Cyfartaledd gwerthoedd
B
Gwerth sy'n ymaangos mwyaf aml
C
Ystod o werthoedd
D
Gwerth sydd ynghanol ystod o werthoedd
Slide 10 - Quizvraag
Pa un o rhain sy'n amrywiad parhaus?
A
Grwp gwaed
B
Lliw blodau
C
Siap Clust
D
Taldra
Slide 11 - Quizvraag
Pa fath o ddetholiad sy'n ffafrio nodweddion canolig?
A
Detholiad rhwygol
B
Detholiad Naturiol
C
Detholiad Sefydlogi
D
Detholiad cyferiadol
Slide 12 - Quizvraag
Slide 13 - Tekstslide
Slide 14 - Tekstslide
Slide 15 - Tekstslide
Slide 16 - Tekstslide
Slide 17 - Tekstslide
Slide 18 - Tekstslide
Slide 19 - Tekstslide
Mae 4% or poblogaeth a lliw llygad golau wedi achosi gan y genyn enciliol (e). Beth yw amlder y genoteip heterosygaidd(Ee)?
Slide 20 - Tekstslide
Slide 21 - Tekstslide
Slide 22 - Tekstslide
Slide 23 - Tekstslide
Beth mae hafaliad Hardy-Weinberg yn rhagfynegi?
A
Amlder allelau mewn poblogaeth
B
Patrymau allfudo a mewnfudo
C
Cyfradd mwtaniad dros amser
D
Effaith amgylchedd ar
Slide 24 - Quizvraag
Pa un o rhain sy'n effeithio ar Hardy-Weinberg?
A
Dim mewnfudiad/Allfudiad
B
Poblogaeth fawr
C
Cyplu ar-hap
D
Cyfradd Mwtaniad Uchel
Slide 25 - Quizvraag
Beth yw drifft geneteg?
A
Newid ar-hap i amlder genetau
B
Llif genynau rhwng poblogaethau
C
Bridio detholus o organebau
D
Addasiad amgylcheddol
Slide 26 - Quizvraag
Slide 27 - Tekstslide
Slide 28 - Tekstslide
Slide 29 - Tekstslide
Slide 30 - Tekstslide
Beth yw rhywogaethu allpatrig?
A
Ffurfio rhywogaeth heb rhwystr ffisegol
B
Ffurfio rhywogaeth o achos croesrhywogaethu
C
Ffurfio rhywogaeth drwy drifft geneteg
D
Ffurfio rhywogaeth achos gwahaniad daeryddol
Slide 31 - Quizvraag
Beth sy'n nodweddiadol o ffurdio rhywogaeth sympatrig?
A
Addasiadau cynyddol
B
Rhywogaethau yn ffurfio yn yr un cynefin
C
Rhywogaethau yn ffurfio achos rhwystrau ffisegol
D
Rhywogaethau yn ffurfio achos arwahaniad
Slide 32 - Quizvraag
Beth gallai arwain at ffurfio rhywogaethau sympatrig ?
A
Detholiad naturiol mewn cynefin arwahan
B
Polyploidy mewn planhigion
C
Arwahaniad daeryddol poblogaethau
D
Drifft genetig mewn poblogaeth bach
Slide 33 - Quizvraag
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