mediocre
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Hello and aslkm,everyone I am a new comer, can you guys help me with this tough nut,I am not sure if they ask such qs,but i was told H-W eqs is HY.jazalalla!
Here goes....
This is a classic data set on wing coloration in the scarlet tiger moth (Panaxia dominula). Coloration in this species had been previously shown to behave as a single-locus, two-allele system with incomplete dominance. Data for 1612 individuals are given below:
White-spotted (AA) =1469 Intermediate (Aa) = 138 Little spotting (aa) =5
Calculate the following frequencies:
(f)A =
(f)a =
(f)AA =
(f)Aa =
(f)aa =
 
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"Do not worry if you have built your castles in the air. They are where they should be. Now put the foundations under them." - Henry David Thoreau
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| mediocre
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.....by d way dis is the ans to the qs , just let me know the way to get it,if u can..thanx
( A = (2 * (1469) + (138))/(2 * (1469 + 138 + 5)) = .954 or 95.4%
(a = 1 - .954 = .046 or 4.6%
(AA = (.954) 2 = .910 or 91%
(Aa = 2 (.954)(.046) = .087 or 8.7%
(aa = (.046) 2 = .002 or .2%
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"Do not worry if you have built your castles in the air. They are where they should be. Now put the foundations under them." - Henry David Thoreau
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| mediocre
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oops! i think i got it into the wrong forum,guys......but its mentioned in Behav Sc in FA!
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| vallia
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you are in the right place buddy , just that everybody is praying not to get one of this. I'm sorry i don't know the answer to your Q....anybody?
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| study_ing
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the more u re scared of it the little biostats u know. when u get a question like this, just think in terms of SIMPLE FREQUENSY OR RATES..remember u have to calculate a given number and divide that by the total.
this is best understood by a table...
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| study_ing
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i think this will do
Attached Files:
New Microsoft Word Document.doc (29 KB, 32 downloads)
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If you yourself are at peace, then there is at least some peace in the world.
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| mediocre
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thanks study_ing,for trying to explain .....now pray dat i understand.....
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"Do not worry if you have built your castles in the air. They are where they should be. Now put the foundations under them." - Henry David Thoreau
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| study_ing
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if u dont understand please do ask what it is that is confusing u...might as well do it now..than nearer D day ....
just remeber the basic confusers!!
allele frequency is different from genotype frequency
finding the frequencies is simply a matter of addition of a required numerator and use of an appropriate denominator...
if nothing else works, draw a table
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| mediocre
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BRAVO! I Finally got it!, Thankyou so much study_ing for that graph ,it helped a lot,to clear my concept.In fact I have a small discovery to share regarding the solution,the graph works for alleles but not exactly for the phenotype,where u hav 2 use other equations......check out the attacd file.
Also for all u guys havin a tuf time check out this great website to clear H-W concepts
http://www.phschool.com/science/biology_place/lab...
by d way d thing dat worries me is dat I cant afford to spend so much time on one concept as i did 4 dis,my date is in december and i hav a lot to study...do u guys think KAPLAN DVDS would be good to boost up d prepration...I seem to grasp more on the lectures...Thanx.
Attached Files:
H-W-eqtn.doc (25 KB, 15 downloads)
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"Do not worry if you have built your castles in the air. They are where they should be. Now put the foundations under them." - Henry David Thoreau
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| study_ing
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do kaplan dvds..biochem and bs are a must..decide the rest for urself..u have loads of time.just be willing to work hard..go one concept at a time and ull be surprised how much u'll cover..u need to spend time on atleast the HY topics such as this one..if u try to simply cram it.
1 there's a very high likelihood u'll forget it
2 in my exam there were hardly any questions involving direct recall..perhaps a max of 10 in tota..even the most basic of things were tested in a two step manner.thats when u realise time spent in understanding concepts is worth it
GL
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If you yourself are at peace, then there is at least some peace in the world.
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| mediocre
Forum Elite
Topics: 37
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..thanx a lot mate...great to have someone like you in the forum
...i feel like askin a lot of qs but it might be a breach of this particular forum ...so see ya in support forum .....you could be a help to lots of mediocres like me...
best of luck with part 2!!!!
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"Do not worry if you have built your castles in the air. They are where they should be. Now put the foundations under them." - Henry David Thoreau
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