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ABO system of human blood ...

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ABO system of human blood ...

Postby Arty » Sun Apr 10, 2005 12:05 pm

Hi everybody!My biology teacher gave us a question to think about.Well, I really don't have an idea.It may be not difficult but I don't understand very well the question. :oops: Please don't laugh if it may be trivial. :roll: Here you are:
If we consider the ABO system of human blood we can find 6 types of genotypes(i0i0, IAIA, IAi0, IBIB, IBi0, IAIB - 0, A, B are all superscript :oops: ).What if a gen compound of 3 alleles have its locus in the chromosome X, how many genotypes do excist :?:
Thanks in advance.
PS:I'm sorry if I haven't been clear in my post.If possible I need the answer today cuz tomorrow I've got a biology class.
Last edited by Arty on Sun Apr 10, 2005 5:31 pm, edited 1 time in total.
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Re: maybe easy

Postby Arty » Sun Apr 10, 2005 4:18 pm

:x ...Any help? :cry:
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Postby mith » Sun Apr 10, 2005 11:40 pm

I don't quite understand what you're saying...how does your question relate to blood?
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Accepting hardships as the pathway to peace;
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Postby Arty » Mon Apr 11, 2005 12:15 pm

mithrilhack wrote:I don't quite understand what you're saying...how does your question relate to blood?

You're right!In fact it doesn't relate to it.I said exactly what my teacher said.She wanted to help us in giving the answer so she explained another similar problem.
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Postby mith » Mon Apr 11, 2005 9:00 pm

Well I'm going to take a wild stab at this question so don't quote me if it's wrong but

suppose the alleles were A,B,C and then the different alleles would be AA,AB,AC,BB,BC,CC so 6 genotypes?
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Re: ABO system of human blood ...

Postby Arty » Tue Apr 12, 2005 12:51 pm

Mithrilhack, don't forget:
Arty wrote:What if a gen compound of 3 alleles have its locus in the chromosome X, how many genotypes do excist :?:

...You're not right!
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Postby mith » Tue Apr 12, 2005 8:45 pm

So, what's the answer?
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Postby Arty » Wed Apr 13, 2005 11:25 am

mithrilhack wrote:So, what's the answer?


I think XAXA, XAXB, XAXC, XBXB, XBXC, XCXC, XAY, XBY, XCY
8)
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Postby Poison » Wed Apr 13, 2005 8:51 pm

Arty has already found the answer , I guess...
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How charged with punishment the scroll
I am the Master of my fate
I am the Captain of my soul.
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Postby mith » Wed Apr 13, 2005 8:54 pm

Ah, I forgot it was sex-linked, but that blood example really misled me.
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