Melissa_20
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Location: Florida
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This May Be a Dumb Question. . .
Posted: 07-25-06 10:38am
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Can you have one boy and one girl be
identical twins?
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Becky
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Posted: 07-25-06 10:53am
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No cause it comes from a single egg
splitting and that egg will have the same
dna (i.E boy or girl) even when its split.
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Melissa_20
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Joined: 18 Jan 2006
Posts: 6806
Location: Florida
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Posted: 07-25-06 11:01am
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Well just because the egg has the same
dna,doesn't mean the sperm does right? I
don't know. I could have swore that
identical twins could be boy and girl.
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Ingi
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Posted: 07-25-06 11:36am
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Identical twins split from one sperm and
one egg. They are more rare than
fraternal twins. Identical twins do not
run in families.
Fraternal twins are 2 sperm meet 2 eggs.
When a woman produces 2 eggs, it is said
she hyperovulates. Hyperovulation can be
inherited - but the man in the
relationship still has nothing to do with
twins (other than his sperm being in the
right place at the right time).
Identical twins share the same dna.
Fraternal twins are exactly like any
brother/sister in the amount of dna they
share.
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Melissa_20
Especially EHEALTHy
Joined: 18 Jan 2006
Posts: 6806
Location: Florida
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Posted: 07-25-06 13:30pm
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Oh ok,i get it now.I thought identical
twins were 1 egg 2 sperm that split.
Thank you guys for your help
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Sandbox Party
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Joined: 25 Jul 2006
Posts: 7276
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Posted: 07-25-06 13:31pm
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Lmao melly belly how can a boy and a girl
look exactly alike??
Ur silly lol.
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lacey87
New User, Becoming EHEALTHy
Joined: 06 Dec 2005
Posts: 33
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Posted: 07-25-06 14:07pm
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Hey, just thought I would add that what
you are talking about melissa does occur.
When one egg splits into two and is then
fertilized by two different sprem, the
resulting twins are called polar body
twins. In this case the twins can be
different sexes, and share 75% of the same
dna, as opposed to the 100% shared by
identical twins.
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Melissa_20
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Joined: 18 Jan 2006
Posts: 6806
Location: Florida
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Posted: 07-25-06 14:25pm
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| lacey87
wrote: | | hey, just thought I would
add that what you are talking about
melissa does occur. When one egg splits
into two and is then fertilized by two
different sprem, the resulting twins are
called polar body twins. In this case
the twins can be different sexes, and
share 75% of the same dna, as opposed to
the 100% shared by identical
twins. |
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lil_blaze2004
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Posted: 07-25-06 14:59pm
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Lol, this reminds me of a law & order
episode.
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Melissa_20
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Joined: 18 Jan 2006
Posts: 6806
Location: Florida
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Posted: 07-25-06 15:00pm
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| lil_blaze2004
wrote: | | lol, this reminds me of a
law & order
episode. |
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Bridget
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Posted: 07-25-06 15:06pm
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How can a boy and a girl be identical?
One has a penis and one has a vagina...
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DaliciaLynn
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Posted: 07-25-06 17:50pm
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I have seen boy and girl twins aswell.
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cherry88
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Posted: 07-25-06 20:42pm
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Ive seen a boy and girl that are identical
twins too!
So yes it does happen.
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diamondsz
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Posted: 07-25-06 20:54pm
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Actually I had two set of twin friends one
was fraternal(boy/girl) and other boy girl
must have been identicals I know its
almost hard to believe but you couldnt
tell the difference between them at 12 now
at 21 jean michel has fuzz on his face and
his sister doesnt but they still look
identical!!
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cherry88
Active User, Really EHEALTHy
Joined: 09 May 2006
Posts: 633
Location: ,
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Posted: 07-25-06 20:57pm
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Wow thats skatty still looking alike when
theyre older!
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AyaMiyaki
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Posted: 07-25-06 21:20pm
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Well, the .Olsen twins are fraternal and
they're hard to tell apart... Just one of
those weird things that happens sometimes,
I guess.
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Bridget
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Posted: 07-25-06 21:40pm
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I just have to say this again...
Twins are not identical if one has a penis
and the other has a vagina!
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~*~Jillian~*~
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Joined: 01 Feb 2005
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Location: Tennessee, USA
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Posted: 07-25-06 21:43pm
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| iheartmybostonterrier
wrote: | i just have to say this
again...
Twins are not identical if one has a penis
and the other has a
vagina! |
omg really?
Hha just had to be a smartas*..But just
kidding..
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ThriftyGal
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Joined: 21 Apr 2006
Posts: 2982
Location: Ontario, Canada
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Posted: 07-25-06 22:45pm
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Identical twins come from one egg
fertilized by one sperm. And every
sperm has either the x or the y
chromosone. The fertilized egg then
splits. One sperm can only carry one
gender people! No identical boy and
girl sets. Nope nope. How can one
sperm create both genders?
As for people saying they have seen a boy
and girl set of twins look the same,
fraternal twins can look the same also.
Just like siblings with age gaps can look
strikingly simular.
Last edited by ThriftyGal on 07-26-06 00:41am; edited 1 time in total
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~*~Jillian~*~
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Posted: 07-26-06 00:26am
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Me and my brother are 4 years apart..And
when we were younger everyone thought we
were twins..We still kind of look
alike..But not as much ..Now that we are
older..Haha that was back in the day!
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