What is Down syndrome (trisomy 21)? Down syndrome is a set of symptoms that arise from a genetic abnormality, in which an individual’s cells have an extra copy of chromosome 21. Find more videos at
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Okay so a kid with this disease is handsy with people of the opposite sex. Is that something that's common or is that not related to the disease?
Great content by Osmosis team👌
If you wanted to make another human, first you'd have to find someone that feels the same way.
what a god
My sister has Down Syndrome. She can't speak, she has to be held by her hand so she can walk. Millie is the best sister that I ever had, even though she is 11 and i'm 15, i love her and i can't imagine a better sis. If you are mean to her, i'm not your friend.
non c'ho capito nulla
Trisomy 18 eny broblem aaaa
The best video i've seen for this topic.
It’s doesn’t go from 46 to two cells with 23 to four cells with 23. It goes from 46 to two cells
with 46 then to four cells with 23
I need to know more
4:21 "so there are a few ways that this can go DOWN" 😉😉😉
This is really hard for me
is it just me or does this guy sound kinda like zach from the try guys
Did he … just say "less cells"?
I love this video… 😊😊
I hope my kids won’t be mentally retarded with Down syndrome or something. Why don’t people abort down syndrome kids before they are born. It’s just depressing letting kids with downs into this world.
Respect to the homies with extra chromies
Amazing explaination thanks Osmosis
In Robertsonian translocation ,why sperm carries pair and in disjunction sperm carries only single chromosome?
So nicely explained
Thank you for the explanation of the Robertsonian translocation!
You lost me at the chromosome..
all those scientists went thru the trouble to figure these complex stuff out just for kids like us to blame them for making us study
I dontttt understanddddddddd
In terms of heart defects, he states between the two atria (producing an ejection systolic murmur) being most common ('usually') but note the most common is an AVSD, which produces a holosystolic of course, along with VSDs
ASD: 19.9% (EJ murmur)
So you will most likely hear a holosystolic murmur
source for chd prevalence ; Benhaourech, CHD & down syndrome
so basically saying, find someone with 23 chromosome pairs
I understand nothing
I made it to min 6… then my brain melted out of my ears :S