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BTD Forums    Diet and Nutrition    Eat Right 4 Your Type  ›  If I'm a non-secretor, is my sister too?
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If I'm a non-secretor, is my sister too?  This thread currently has 1,038 views. Print Print Thread
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Debra
Sunday, March 31, 2013, 11:01pm Report to Moderator Report to Moderator

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Hi,
I've not had my blood tested cos my sister is type A (she's had a baby so she knows from that) and I think my Dad is A (I know mum was O), and I read that genetically your blood type gets passed to siblings from Dad. So I've assumed I'm A and I certainly fits 100% with the traits of an A.

Now, I did my secretor status and I'm a nonnie. Does that mean my dad and sister are nonnies too? And also my mum (O nonnie)? I think I might've read that both parents have to be nonnie to pass it on to children? (And if one child is the other must be too.)

Thanks in advance for your help, you intelligent, knowledgeable band of happy blood type travellers!       
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AKArtlover
Monday, April 1, 2013, 12:12am Report to Moderator Report to Moderator

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You need to have your blood tested to have the secretor test be valid. As far as I know, they check only for the secretion of the blood type you say that you have. I would get my blood tested to confirm I was an A before going on an A nonnie diet. If your mom was an O, you could possibly be a type O because your dad could be Ao (meaning getting the dominant A and the recessive o). This is probably what your sister is (assuming the same biological parents).

My dad is an O and my mom is an A. My bloodtype is A. Because my dad is an O and I am certain he is my biological father, I can assume that I am Ao because O bloodtype can only pass type O.

Now, I do think it is safe to assume that because your biological sister is an Ao, that your dad is an A. However, if he was an Ao-- you could be an O, getting an O from both parents.

My hubby is an O with two Ao parents.
Because I am an Ao, he and I can have either Ao kids or O kids. (His siblings happen to be a mix of Aos and O's.)

Hope that helps.  I don't believe you can assume your dad or sister are nonnies. See this thread... http://www.dadamo.com/cgi-bin/Blah/Blah.pl?m-1275287654/


"For you created my inmost being; you knit me together in my mother's womb. I praise you because I am fearfully and wonderfully made; your works are wonderful, I know that full well." Psalm 139:13,14

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AKArtlover  -  Monday, April 1, 2013, 1:48pm
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Lloyd
Monday, April 1, 2013, 12:45am Report to Moderator Report to Moderator

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Quoted from Debra
Hi,
I've not had my blood tested cos my sister is type A (she's had a baby so she knows from that) and I think my Dad is A (I know mum was O), and I read that genetically your blood type gets passed to siblings from Dad. So I've assumed I'm A and I certainly fits 100% with the traits of an A.

Now, I did my secretor status and I'm a nonnie. Does that mean my dad and sister are nonnies too? And also my mum (O nonnie)? I think I might've read that both parents have to be nonnie to pass it on to children? (And if one child is the other must be too.)

Thanks in advance for your help, you intelligent, knowledgeable band of happy blood type travellers!       




You could even be a B if your father is an AB.

If you are not an A then your secretor status may be in doubt. Also, even knowing you are a nonnie would not in and of itself confer that status automatically to any of your relatives.
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KimonoKat
Monday, April 1, 2013, 12:47am Report to Moderator Report to Moderator

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Just because your Dad is an A, doesn't mean you are an A. You need to have your blood tested to be sure.  

You inherit one allele from each parent, so that your blood type is expressed via the pair.  O is recessive, but an A can be AO and a B could be BO, with each parent passing on an O allele to their offspring, which is how you get an O child from A & B parents.  See?


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C_Sharp
Monday, April 1, 2013, 12:57am Report to Moderator Report to Moderator

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Monday, April 1, 2013, 4:28am Report to Moderator Report to Moderator

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Debra
Monday, April 1, 2013, 11:51am Report to Moderator Report to Moderator

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Thanks for all your help, guys. So I cannot assume anything then! Well, I have 100% A traits so I think it's safe to assume I am A (altho if I had the money I would of course test to make sure), but the nonnie thing - will have to test my sister then. Ma is dead and Da is too crusty to want to know about all this so no hope there! Shame, would've liked to know, knowing their health issues, would've been good to learn from.

Never could get the genetics thing when studied it as part of A Level Zoology. Not my thang for some reason. Makes my head spin, eyes go all googly!       Will try and read all this and understand it tho!  
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grey rabbit
Monday, April 1, 2013, 11:59am Report to Moderator Report to Moderator

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It isn't that hard to understand, there is just a combination of two, either Aa, or Ao, Oo, Bb, AB, or Bo. O is ressesive and only expressed if there are two.

It is not at all safe to assume you are an A because you have "A traits", there really is no such thing as A traits. Blood typing kits are quite inexpensive and well worth it.


“Tomorrow is the most important thing in life. Comes into us at midnight very clean. It’s perfect when it arrives and it puts itself in our hands. It hopes we’ve learned something from yesterday.”

John Wayne's last words
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Debra
Monday, April 1, 2013, 12:04pm Report to Moderator Report to Moderator

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Thanks GR, I really should, shouldn't I! That would be mad to turn out to be another blood type altogether, lol!    

PS Lovely John Wayne quote. Not heard that one...   Beautiful.
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Debra
Monday, April 1, 2013, 12:25pm Report to Moderator Report to Moderator

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Do you know what, I'm just remembering that the other piece of evidence/why else I decided I'm an A comes from, my A level zoology class. We actually tested our blood in class. And I remember I was different to everyone else cos I was Rh-, and I think I was A. I defo wasn't O as that's common. And if I was AB or B it would've been whoa, this is very, very unusual. It was rarer but not mega-rare, if you see what I mean. So that's also why I think I'm A-. (as well as sis being A)

You've not done your secretor status, GR. I know these things cost money. That's why I've not done the test (and I couldn't give blood when I first started the diet cos of condition I had, which is getting better now tho - since giving up sugar)... Hmmmm, that's a possibility maybe, give blood now I'm getting better.   Scratches head.
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Lloyd
Monday, April 1, 2013, 12:42pm Report to Moderator Report to Moderator

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Quoted from Debra
Do you know what, I'm just remembering that the other piece of evidence/why else I decided I'm an A comes from, my A level zoology class.


You know, you may well be an A.

If you aren't, it will be a much more costly mistake than the few dollars to be sure.

Can you donate blood and find out that way?
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Victoria
Monday, April 1, 2013, 6:18pm Report to Moderator Report to Moderator

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Quoted from Debra
So I cannot assume anything then! Well, I have 100% A traits so I think it's safe to assume I am A (altho if I had the money I would of course test to make sure), but the nonnie thing - will have to test my sister then.


It makes more sense to test yourself.  Then you won't have to assume or guess about your blood type, or try to remember things from the past.  



Normal day, let me be aware of the treasure you are.
Let me not pass you by in quest
of some rare and perfect tomorrow.
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Debra
Monday, April 1, 2013, 7:21pm Report to Moderator Report to Moderator

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My A traits: sluggish digestion, very low blood pressure, meat/eggs make me constipated. I just ate a cheese omlette while out today (cos I didn't want bread or jacket pot) and my body craved carbs. Too much protein does not suit me at all. Never eaten a steak in my life! Always gone for leg meat, not breast.
No way I'm AB cos I would've remembered from the class.
I get stressed by vigorous exercise and calmed by yoga/stretching. Social person, believe in cooperation - totally.
Also I've got an O housemate to contrast with. Boy is he a driver loner! We're so opposite in so many respects! He's always loved meat, etc. Anyway, just saying.   It's all so fascinating and I love it!
Fanks for all your help  
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2degreespisces
Monday, April 1, 2013, 8:37pm Report to Moderator Report to Moderator

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Quoted from Debra
My A traits: sluggish digestion, very low blood pressure, meat/eggs make me constipated. I just ate a cheese omlette while out today (cos I didn't want bread or jacket pot) and my body craved carbs. Too much protein does not suit me at all. Never eaten a steak in my life! Always gone for leg meat, not breast.
No way I'm AB cos I would've remembered from the class.
I get stressed by vigorous exercise and calmed by yoga/stretching. Social person, believe in cooperation - totally.
Also I've got an O housemate to contrast with. Boy is he a driver loner! We're so opposite in so many respects! He's always loved meat, etc. Anyway, just saying.   It's all so fascinating and I love it!
Fanks for all your help  


What you're listing above is no proof that you're an A.

I'm a confirmed A, and I do really badly on carbs, have a lot or protein in my diet, and have never had issues with sluggish digestion.
My husband also is A, and he loves meat as much as your O-type housemate. He just doesn't do well on it (but he still loves it BIGtime).

What I'm trying to say here is that you're convincing yourself of a fact without being sure of the fact itself.

That's never a good or logical thing. You can find as many "reasons" for you being any other blood type in your recital as for your being type A.
I'm not saying you're not type A, you could very well be. It's just that your reasons for thinking you're A are by no means conclusive, or even indicative.

Please get yourself tested, one way or another.
That would get rid of all this second-guessing (and I'm saying this for you, with the best of intentions).



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C_Sharp
Monday, April 1, 2013, 8:46pm Report to Moderator Report to Moderator

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Quoted from Debra
Thanks for all your help, guys. So I cannot assume anything then! Well, I have 100% A traits so I think it's safe to assume I am A (altho if I had the money I would of course test to make sure),


Eldon cards to test with are about $10.

http://www.4yourtype.com/prodinfo.asp?number=YTE001

UK £5 to 6

http://www.homehealth-uk.com/medical/bloodgroup.htm
http://right4eu.sageshops.co.uk/gbp/product_info.php?cPath=20&products_id=86


But red cross and most other blood donation programs tell you your blood type for free when you make a blood donation.


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Debra
Monday, April 1, 2013, 9:14pm Report to Moderator Report to Moderator

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By jove, I think I'm starting to get the genetics, allele thing.   Thanks guys! Can see why you just can't tell now. The only thing you can be sure about is if you have two nonnie parents, you'll have a nonnie child.
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2degreespisces
Monday, April 1, 2013, 9:57pm Report to Moderator Report to Moderator

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Quoted from Debra
By jove, I think I'm starting to get the genetics, allele thing.   Thanks guys! Can see why you just can't tell now. The only thing you can be sure about is if you have two nonnie parents, you'll have a nonnie child.


And if you have two O parents, you'll have an O child.

As I said, there's no such thing as fitting the reasons to the fact: you have to know your facts to find the reasons.

So get yourself tested.



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Debra
Monday, April 1, 2013, 11:10pm Report to Moderator Report to Moderator

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Quoted from 2degreespisces


And if you have two O parents, you'll have an O child.

As I said, there's no such thing as fitting the reasons to the fact: you have to know your facts to find the reasons.

So get yourself tested.



Right, cos Os have to be OO, so it'll be two OOs, which can only produce an O. For an intelligent person (PhD Chem) I feel a little thick or slow when it comes to certain things! I get an emotional block or something... my dad messed with my brain when it came to maths when I was young and i've never recovered!  

Yes, I am working up to the test. Needles!   Arrrgghhhh.    
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ruthiegirl
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How can you do your secretor test if you didn't even verify your blood type  first?

All you can say for certain is that you don't secrete the A antigen in your saliva. If you're an O, you wouldn't secrete the A antigen in your blood, even if you're a secretor- and the lab wouldn't test for the O antigen in your saliva if you told them you were an A.

If further testing reveals that you're an A, then you can trust the secretor results. Otherwise, you'll have to redo that test.

Unless you haven't done a secretor test, but put up the "A non-secretor" icon next to your name in error. Non-secretor is different from RH negative.


Ruth, Single Mother to 19yo   O- Leah , 18yo O- Hannah, and  12yo B+ Jack


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