Biology Question Help [Genetic Diagram]

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Hello50
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#1
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#1
Which table did I do correct for the question below?
or is neither of them correct?
or did I miss something that I would have to add?
Thanks for your help
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3317752
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(Original post by Hello50)
Which table did I do correct for the question below?
or is neither of them correct?
or did I miss something that I would have to add?
Thanks for your help
would have thought so but wouldnt Q be uneffected in which she would have dd not Dd It doesnt state that she's a carrier. Even if she did have Dd she would have polydactyl because it's caused by domminant, not recessive.
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Hello50
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(Original post by Pretish)
would have thought so but wouldnt Q be uneffected in which she would have dd not Dd It doesnt state that she's a carrier. Even if she did have Dd she would have polydactyl because it's caused by domminant, not recessive.
I'm a bit lost
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(Original post by Hello50)
I'm a bit lost
well, polydactyl is caused by a dominant allele as it states in the question. According to ur diagram, both of them have the D genotype. That would mean that they are both effected, however the family tree shows that they done. Therefore the unaffected one would have to be dd, not Dd.
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Hello50
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(Original post by Pretish)
well, polydactyl is caused by a dominant allele as it states in the question. According to ur diagram, both of them have the D genotype. That would mean that they are both effected, however the family tree shows that they done. Therefore the unaffected one would have to be dd, not Dd.
So how would I draw the diagram?
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3317752
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(Original post by Hello50)
So how would I draw the diagram?
well firslty look at the MS of this paper. But it would something along the lines

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From your diagram, the chance of getting poly-dactyl is 75%, but only 2 of the offspring got poly-dactyl. However in my diagram, it's 50/50 chance of getting poly-dactyl, and exactly half of the offspring got poly-dactyl and the others done.
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(Original post by Hello50)
Which table did I do correct for the question below?
or is neither of them correct?
or did I miss something that I would have to add?
Thanks for your help
also, do u do AQA maths?
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Hello50
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(Original post by Pretish)
also, do u do AQA maths?
No,
Edexcel Maths and AQA Science
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