The Semi Identical Twins Type

 

A Woman Gave Birth To Semi Identical Twins, And Doctors Were Left Totally Perplexed

Video taken from the channel: HappyWorld


 

Semi-identical Twins???

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A Woman Gave Birth To Semi Identical Twins, And Doctors Were Left Totally Perplexed

Video taken from the channel: Awesome!


 

Beyond Identical or Fraternal: 6 Rare Types of Twins

Video taken from the channel: SciShow


 

New type of twin born from one egg and two sperm

Video taken from the channel: Hashem Al-Ghaili


 

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7 Different Types of Twins

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A new type of twinning was identified by scientists in 2007. They used the term Semi-Identical Twinning in a report published in the Journal of Human Genetics in 2007. The study was based on an unidentified set of twins, described as somewhere between identical and fraternal (also known as monozygotic or dizygotic). (CNN) You’ve probably heard of identical and fraternal twins, but a report published Thursday says there’s a third kind sesquizygous twins or “semi-identical.” Identical or monozygotic Unusual events of twin pregnancies.

Mirror image twins. This is a subtype of identical twins that happens when the egg splits 7 to 12 days after fertilization, instead of during the Conjoined twins. Parasitic twins. Semi-identical twins. Boy/girl monozygotic (identical) twins.

As the name suggests, semi-identical twins (also called sesquizygotic twins) share some – but not all – of their parents’ DNA. More precise, they share 100 percent of their mom’s DNA but only a portion of their dad’s. That’s different than fully identical twins, who share all the same DNA from their parents. A pair of twins have stunned researchers after it emerged that they are neither identical nor fraternal – but something in between.

The team say the boy and girl. Writing in the Journal of Human Genetics, researchers said the “semi-identical” twins are more genetically similar than fraternal twins, but less similar than identical twins. “This observation. Sesquizygotic twins are extremely rare, but just how rare is yet to be determined. One in 1,000 births are identical twins but there have only ever been two recorded sets of semi-identical twins.

The first case was reported in 2006; one boy twin and one hermaphrodite twin. An extremely rare set of semi-identical twins has been identified in Australia—becoming only the second ever confirmed. The “sesquizygotic”. Twins can be fraternal, identical — and in extremely rare cases — semi-identical.

A pair of twins born in January 2014 in Australia share all of their mother’s genes, but only 78 percent of their. Virtually all twins are either fraternal (where two eggs and two sperm have created two separate embryos) or identical (where one embryo splits in two before resuming normal development for each.

List of related literature:

For example, twin families include monozygotic twins (identical twins), whose genetic material (i.e., DNA) is basically identical because they developed from the same fertilized egg, or dizygotic twins (fraternal twins), who developed from two different fertilized eggs.

“Human Intelligence: An Introduction” by Robert J. Sternberg
from Human Intelligence: An Introduction
by Robert J. Sternberg
Cambridge University Press, 2019

dissimilar t’s, dizygotic t’s, dizygous t’s twins developed from two separate oocytes that were fertilized at the same time, resulting in two zygotes; they may be of the same or different sex, and they have different genomes.

“Dorland's Illustrated Medical Dictionary E-Book” by Dorland
from Dorland’s Illustrated Medical Dictionary E-Book
by Dorland
Elsevier Health Sciences, 2011

Both types of twins will have a tendency to share the same environment but, whereas identical twins basically have identical genotypes (p. 106), nonidentical twins are no more similar genetically than brothers and sisters.

“Emery's Elements of Medical Genetics E-Book” by Peter D Turnpenny, Sian Ellard
from Emery’s Elements of Medical Genetics E-Book
by Peter D Turnpenny, Sian Ellard
Elsevier Health Sciences, 2011

Identical twins develop from a single fertilized egg. which splits into two genetically identical embryos (though physical traits may be modified during their development); they occur randomly but are more likely in older mothers.

“Merriam-Webster's Collegiate Encyclopedia” by Merriam-Webster, Inc, Mark A. Stevens
from Merriam-Webster’s Collegiate Encyclopedia
by Merriam-Webster, Inc, Mark A. Stevens
Merriam-Webster, 2000

In this investigative technique, scientists compare the school performance of monozygotic twins (identical twins, developing from the same egg with identical genetic characteristics) with that of dizygotic twins (fraternal twins, developing from two different eggs with different genetic makeup).

“Special Education in Contemporary Society, 4e – Media Edition: An Introduction to Exceptionality” by Richard M. Gargiulo
from Special Education in Contemporary Society, 4e – Media Edition: An Introduction to Exceptionality
by Richard M. Gargiulo
SAGE Publications, 2011

Identical twins are more alike in personality than other kinds of siblings, but once you allow for the similarities due to genes, you end up with about the same amount of unexplained variance.

“The Evolution of Personality and Individual Differences” by Dr. David M. Buss, Dr. Patricia H. Hawley
from The Evolution of Personality and Individual Differences
by Dr. David M. Buss, Dr. Patricia H. Hawley
Oxford University Press, 2010

Identical twins those originating from a single egg have exactly the same genes as each other; while fraternal, or dizygotic, twins are of no greater similarity to one another than to any other sibling from the same parents.

“The Singing Neanderthals: The Origins of Music, Language, Mind, and Body” by Steven J. Mithen
from The Singing Neanderthals: The Origins of Music, Language, Mind, and Body
by Steven J. Mithen
Harvard University Press, 2006

When two identical twins (i.e., monozygotic twins) are developing in their mother’s womb, they might both be inside the same chorion, or each might be inside his or her own chorion.

“Individual Differences and Personality” by Michael C. Ashton
from Individual Differences and Personality
by Michael C. Ashton
Elsevier Science, 2013

A special kind of sibling relationship is observed in twins, although getting along with each other and quarrelling are not much different from the behaviours observed for any other two siblings, especially if they are different-sex fraternal twins.

“Maternal Child Nursing Care in Canada E-Book” by Shannon E. Perry, Marilyn J. Hockenberry, Deitra Leonard Lowdermilk, Lisa Keenan-Lindsay, David Wilson, Cheryl A. Sams
from Maternal Child Nursing Care in Canada E-Book
by Shannon E. Perry, Marilyn J. Hockenberry, et. al.
Elsevier Health Sciences, 2016

The two most common types of twins are monozygotic/identical twins and dizygotic/fraternal twins.

“Principles of Cell Biology” by George Plopper, Diana Bebek Ivankovic
from Principles of Cell Biology
by George Plopper, Diana Bebek Ivankovic
Jones & Bartlett Learning, 2020

Oktay Kutluk

Kutluk Oktay, MD, FACOG is one of the world's foremost experts in fertility preservation as well as ovarian stimulation and in vitro fertilization for infertility treatments. He developed and performed the world's first ovarian transplantation procedures as well as pioneered new ovarian stimulation protocols for embryo and oocyte freezing for breast and endometrial cancer patients.

Mail: [email protected]
Telephone: +1 (877) 492-3666

Biography: https://medicine.yale.edu/profile/kutluk_oktay/
Bibliography: oktay_bibliography

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37 comments

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  • My husband is a superfetation twin. His brother was conceived first and about two weeks later my husband was conceived. My husband was born first though because his twin hid.

  • The fetus in fetu happened to my sister in law, she was just gaining a ton of weight and no one knew why until they found out it was her twin growing inside of her. Really crazy…

  • So what would a set of twins be called if same parents, same blood type, male and female, and look absolutley nothing alike. Like it would be hard to believe they are siblings. Like one is white and the other looks kinda asian.

  • I had 2 sets of fraternal twins. The first set of twins was triplets, but I lost 1 baby. All of my twins were conceived naturally. So far, none of my daughters have had twins.

  • When I hear the word “person” I usually think man or woman. Men don’t release eggs though, women do. Saying “A woman releases two eggs instead of one” seems much more appropriate. Unless you can show me a person that releases eggs who isn’t a woman.

  • How the heck would an embryo much less two be able to develop after allowing two sperm to enter? Normally that would be rejected and the egg would not be able to divide normally hence resulting in a miscarried or failed embryo.

  • What type of twins are Mary-Kate and Ashley Olsen? They say they are fraternal but also mirror twins, but when they were toddlers they looked (almost) identical but as they were getting older they started looking very different

  • Black women are more likely to have twins more than any other type of woman and especially real African women. you should have shown that��

  • My brothers are mirror image twins. One is left handed while the other is right handed. Because they were born in the 70’s my mom never had an ultrasound the doctor only detected one heartbeat. Their hearts beated so closely together he couldn’t hear the other. My parents kept insisting that there were twins in there and that they heard two heartbeats. Doc was pretty embarrassed when they were born.
    P.S. my parents had 5 under 5.

  • Hey, Guys, Today I’m gonna tell you the best Hospital and Doctors for IVF in Turkey if do you want to know about it click on the link: https://bit.ly/3aa0iwz

  • I’m from Cambodia And im twin. Im the older brother and My younger brother is white and I’m Little dark and we Didn’t look a like And when my bro was 4-5 years he had cancer but he survived

  • this doesn’t make any sense. mirror is just identical and half identical showed actual identical twins. not to mention the twins with different skin color had the same parents.and if you’re going to show twins don’t use a picture of three babies at once.very confusing video and not correctly informative at all.

  • I grew up with fraternal twins that were both the same sex, you missed that also. I’ve seen twins from mixed race couples that skintone varied as well as hair colour.

  • You’re wrong. In both cases the woman was getting banged by two dudes and they came at the same time inside her. It’s an old extremely rare practice called synchronized cuming.

  • I know this is supposed to be informative and all, that everything here is like super rare and whatnot, but as someone whose mother is a twin, whose 2 aunts are twins, and has 2 pairs of twins as cousins, I am DEEPLY terrified.

  • The other super rare boy-girl identical twin phenomenon is sesquizygotic: when two sperm (same father) fertilizes one egg and it splits. Two known cases in the world.

  • A Christian hip hop group named DC TALK did a song called COLORED PEOPLE,Which states that only our EPIDERMIS IS DIFFERENT but underneath that we ARE ALL THE SAME. Please listen to the song it will help.

  • Who ever did this used photos of biracial twins claiming that they had different fathers. That’s insulting to the twins, and their parents.

  • I was friends with mirror twins and fraternal twins. The mirror twins had a very Fred and George Weasley attitude and for a high school talent show they made it look like one of them was doing stuff in front of a mirror and at the end one of them stepped through the empty frame. The fraternal twins were complete opposites one looked like their dad and the other their mom. But they were still best friends even though they had a lot of differences

  • I’m going to add another comment to apply some pressure for you to get things right. The twins of different races have the same parents. A fact you could have uncovered with a tiny amount of research. How disrespectful to their family!!

  • My sister-in-law is supposedly identical twin, but beyond looking like sisters they don’t look much like each other — not even in the pictures I’ve seen of them when they were quite little.

  • The twins Lucy & Maria Aylmer shown at 2:29 and the 2 twins Hayleigh  & Lauren and their baby sisters Leah & Miya Durrant at 2:35 have the SAME mother and father.

    Lucy and Maria have a biracial mam and a white father.  Both parents have white color genes.  Lucy & Mariah are dizygotic twins and come from two different eggs fertilized by two different sperm.
    https://www.youtube.com/watch?v=JIUK2KSbvvI

    Hayleigh & Lauren and Leah & Miya have a biracial father and a white mother and are dizygotic twins too.
    https://www.youtube.com/watch?v=8bB9PPjp04o&t=37s

    Dizygotich twins and fraternal twins are synonyms.  These twins can have same sex or opposite sex and when parents are biracial the can differ in skin color like the six girls in this video.  

    Also two biracial parents can have a brown-white twin like Kian & Remee Horder (not shown in this video, see link below)
    https://www.youtube.com/watch?v=Ej1L-SkPjmo

  • I am totally in favour of inclusive etc. language, but come on, young man. The only kind of “person” who can become pregnant and give birth to a baby is a woman. Let’s not let political correctness blur the facts.

  • 12:30

    “GENERALLY, DISPERMIC FERTILIZATION RESULTS IN ONE EMBRYO WITH AN EXTRA SET OF CHROMOSOMES, A CONDITION WHICH IS FATAL.”
    I’m no geneticist nor a biologist, but how exactly can having more chromosomes kill you?

  • 1:59 wrong use of the expression “as yet”. “as yet” means it has not happened, but the context you are referring to should be using “so far” instead of “as yet”.

  • Number five is wrong it’s a rare type of identical twin that came from the same egg but one of them happened to be white like their mother rather then black like their father ((Not to be racist of it anyone seems to think I am I’m not)) they’re both beautiful btw

  • This was a really fun video! I wondered if my twins were conceived a few days apart since one always measured a bit older. They had two different sacs. Maybe someday we’ll have the expendable income to get the dna test to find out if they are identical. They sure do look it!

  • i have a boy and a girl they are not identical in no way the boy is very dark and look like me the girl is white and loo k like her dad but they have same fingers n toes like there dad but not identical

  • You facts are a bit off the twins you showed of different colours are in fact from the same parents I’m sure this is s huge disrespect to them and their family’s

  • I want to note that some people speculate sesquizygotic twins are more common than they are reported to be because they are assumed to be fraternal unless blood tests are taken.
    Also, it is not unusual for an egg that splits to “fix” certain chromosomal disorders it may have had if it were only one egg. My most favorite example of this is XXY twins, where the original zygote has Klinefelter syndrome (or XXY syndrome, an extra sex chromosome), and when the egg slits into 2, one drops the Y and the other drops the extra X, the results being male/female “identical” twins. Also an incredibly rare thing to happen.

  • I have a Half twin. we are a little diffent.We have some stuff in same some we don’t.But in a my half face she my twins.We have the same hairstyle,eyes and little same faces.

  • This is stupid the twins Maria and Lucy are not what you consider them as they are identical because if Lucy was black she would look like Maria they are identical or something stop spreading false rumors.

  • Im a triplet 2 girls 1 boy im the youngest girl we look simular but nothing more than what any other brother and sister would no matter how big the age gap. Usually that means they are their own person but with us 3 we all think the same act the same say almost everything at the same time its strange.

  • I’m a mirror image twin, I know our teeth (because we got molds done for braces) and dominant hands are exact opposite, along with a few skin marks (moles?) but I’m not too sure about our our organs. From what I’m aware, we’re fraternal, so I’m a bit curious about that. I do have identical twin brothers, same mom, but different dad. They’re identical but definitely don’t look like it. So that’s also odd, haha. We’re also 1 year + 4 days apart, so it’s 4 birthdays in one week.:’)

  • As a person with Turners Syndrome I can name a few of the effects

    -Heart problems may occur when you’re born or when you’re older
    -Fertility Issues
    -Delayed or nonexistent puberty
    -You could hit Menopause as young as the age of 14 maybe even younger
    -This one isn’t serious but you will be extra extra short

  • I love learning about twins, I come from a small town in America that has an oddly high amount of twins I can count at least 6 or 7 pairs that I just went to school with! My biology teacher wanted to conduct research on why that is but they have always fascinated me:)

  • The example you used for Superfecundation is wrong the case you were talking about the Woman was Black and the man was white. A rare occurrence happened and one twin got the white genes and one twin got the black genes.. Do your research.. god…