Kaitou-Shinichi long lost twins???

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Quiet Lurker

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Re: Kaitou-Shinichi long lost twins???

Post by Quiet Lurker »

Solera wrote:err well even if you don't have the same blood type... you could be relatives[pls remember that o.o]


You are talking about Rena and Eisuke I presume. It is not necessarily true.

If you are going to read Detective Conan, it behooves you to know a bit about Mendelian genetics of blood types;)

The blood type of an individual is determined by the proteins expressed on the surface of his/her red blood cells. The proteins themselves are encoded by genetic information in their chromosomes (chromosome 9 to be specific).

Both A and B are derivatives of the same H antigen (Blood type O) and are therefore mutually exclusive on each chromosome, which means that each chromosome can only encode from A, B or O antigen. However, because chromosomes exist in pairs that are passed down from the parents, the two Chromosome 9 can code for different ABO proteins, which culminates in the different blood types (A and B can be co-expressed and O is always "recessive" due to the antigen nature of the blood types [i.e. O is expressed but does not result in an immune reaction]).

Hence:
Genotype AA = Blood Type A
Genotype AO = Blood Type A
Genotype BB = Blood Type B
Genotype BO = Blood Type B
Genotype AB = Blood Type AB
Genotype OO = Blood Type O

Shinichi's explanation that a parent with AB blood type (Genotype AB) cannot have an O blood type child even with another O blood type (Genotype OO) parent:
AB + OO + AO or BO (A biological child of the parents MUST have type A or type B blood)

Using this interesting tidbit, we can not only determine the blood types of Rena and Eisuke's parents but also their genotypes :o:
Eisuke was biologically type O (Genotype OO) and Rena is biologically type AB (Genotype AB). Since they are biological siblings, their parents MUST have blood type A (with Genotype AO) and blood type B (with Genotype BO).
AO + BO + OO, AB, AO, BO (or Type A, B, AB, O with 25% probability of each blood type)


The Rhesus factor on the other hand is more or less a case of a genetic mutation that renders the genetic codon (on Chromosome 1) incapable of producing functionally proteins. Due to the functional/non-functional nature RhD(-) is autosomal recessive, which means a Rh(-) person has BOTH his/her Chromosome 1 incapable of producing functional RhD proteins.

Because of the Founder effect (and the Recessive nature of RhD(-)), RhD(-) blood types are predominantly found in populations of European and African origin and are almost unheard of in Asian populations. Even more so with the Japanese, since early Asian population migrations to the island is small and infrequent enough to create another Founder effect on the subsequent Japanese population.
Last edited by Quiet Lurker on August 31st, 2008, 5:47 am, edited 1 time in total.
Solera
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Re: Kaitou-Shinichi long lost twins???

Post by Solera »

^ I am not talking about Rena and Eisuke. Sorry. I'm talking about real life situations like what you had posted[about probabilities of blood types].

I have 3 brothers and 2 sisters and our blood types are not really alike.

So... you don't necessarily need to have a SAME blood type with someone to call yourselves biological siblings or cousins or any sort of family member -.-"

That is the POINT I want to make! ~_~"

Please remember that this thread is about Shinichi-Kaito family relation.
----
I think it could be possible for Shinichi and Kaito to be related.[Heck I made Shinichi and Kaito cousins in one of my fics -.-"]

[I KNOW ABOUT BLOOD TYPE SYSTEMS, PROBABILITIES AND THOSE ABOUT THAT GENETICS. DON'T TAKE ME LIKELY JEEZ -.-"] forgive my ranting. >_<
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Re: Kaitou-Shinichi long lost twins???

Post by SkyVenger »

Actually I made Kaito as Shinichi's clone in one of my fanfics... haha don't mind me :P
codename64546

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Re: Kaitou-Shinichi long lost twins???

Post by codename64546 »

lol don't take them seriously

they're not relatives...

the only serious about kid is that the he is black org connected
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kudokun

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Re: Kaitou-Shinichi long lost twins???

Post by kudokun »

i actually think their not related but look the same cause there like exact opposites ie kudo = detective  and  kaito = theif
yonizaf
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Re: Kaitou-Shinichi long lost twins???

Post by yonizaf »

Solera wrote:err well even if you don't have the same blood type... you could be relatives[pls remember that o.o]


they were talking about the possibility of them being identical twins (or the same person). nobody said you have to be the same bloodtype to be relatives.
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Re: Kaitou-Shinichi long lost twins???

Post by kkslider5552000 »

they are cousins

maybe
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Re: Kaitou-Shinichi long lost twins???

Post by Yoshimi Kurosaki »

mitsuhiko2 wrote:Kaito isn't Shinichi's twin, at least. I don't think their blood types are even the same; Kaito's I know is B, but I -think- Shinichi's is AB. I don't remember for sure. But Hakuba somehow eliminated Shinichi from being Kaitou Kid in his research, so there must be some differences at least.

When did Hakuba even suspect Shinichi of being Kid? Did I miss an episode or something?
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Re: Kaitou-Shinichi long lost twins???

Post by kuletzcharles »

Well, blood types don't follow the Mendellian genetics but the non-Mendellian instead namely, the multiple alleles....This means that with only two traits, the outcomes are not just the homogenous recessive or dominant traits but could also be the combination of the  two....

For example: Ai X Bi (A and B are the dominants and i is the recessive)
                  Note: this is only a monocross breeding

                                      A            i
                              B      AB          Bi
                              i      Ai          ii
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Re: Kaitou-Shinichi long lost twins???

Post by Absinth »

Interesting science stuff... gotta read more on that.

But I think the reason why Kaitou and Kudo look so much alike is caused by the drawing style of Gosho Aoyama.
Mangakas tend to draw their unique characters with a distinct style...sometimes to the extent of characters seemingly appearing almost alike. (and yet they are unique..lol)


Though I don't think the effect is caused by Mendellian genetics, but rather in the psychological field. lol
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Re: Kaitou-Shinichi long lost twins???

Post by Yoshimi Kurosaki »

Well, with the blood type thing, I think that Shinichi's would have to be O then. They've explained it before that only type O blood can be given to people with type O blood. If he had A or B, he could receive it from those or from O and if he had AB he could receive all types. I don't think a hospital would freak out over not having blood from his particular blood type if they could use a more common one. So O is most likely.

(But one of them could've had a bone marrow transplant like Eisuke...you never know) But I don't think they're twins. No matter how much my little fangirly heart desires it, my logic process just won't accept it...freakin' science classes...

Why are we even discussing this? I don't even think that Aoyama thought this hard when he came up with it... ???
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eajy

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Re: Kaitou-Shinichi long lost twins???

Post by eajy »

kaito kid n shinichi r brothers!!!
they r bro tat hv same dad bt different mom.....
i knew it after i watch a vid in youtube....
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Re: Kaitou-Shinichi long lost twins???

Post by kkslider5552000 »

eajy wrote:kaito kid n shinichi r brothers!!!
they r bro tat hv same dad bt different mom.....
i knew it after i watch a vid in youtube....


ys i sw tht to it ws grt  :D :D :D



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Re: Kaitou-Shinichi long lost twins???

Post by Mizukithepanda »

Though I also wish that they were related, I don't believe they are. And I'm almost positive that Shinichi's blood type is AB. I'm pretty sure they said it in the manga... I'll have to check on that though.

As for why they look alike... I think Gosho did it on purpose as sort of a running gag. After all, Kaito's face was extremely similar to Yaiba's. Not to mention that Gosho makes jokes about it in the DC manga. I think I read an interview on that once somewhere...

Question, though. Why do character profiles and such in Japanese media always include blood type? I've never gotten that. I don't even know my own blood type (because I've never needed to), so the popularity of knowing someone else's blood type escapes me.
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Re: Kaitou-Shinichi long lost twins???

Post by H...Haibara »

Well, to that guy who said the thing about blood types, there are only and O is the most common...

Also, they may be related, but there's no way they're brothers. Yusaku and original Kaitou Kid are different people, and the original Kaitou Kid was killed. In the episode where young Kaitou is bouncing around and gives Yukiko a rose, it appears that that is the first time she meets original Kaitou Kid, so I would rule adulterous affairs out of this, which is essentially a kids anime series.
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