![]() ![]() “I had to show him a picture of my chromosomes, but even then, he didn’t believe me and said: ‘You don’t look like you have it. Those cells with 47 chromosomes have an extra chromosome 21. Some have the usual 46 chromosomes, and some have 47. Mosaicism, or mosaic Down syndrome, is diagnosed when there is a mixture of two types of cells. Researchers believe that having extra copies of genes on chromosome 21 disrupts the course of normal development, causing the characteristic features of Down syndrome and the increased risk of health problems associated with this condition. When a baby is born with Down syndrome, the healthcare provider takes a blood sample to do a chromosome study. ![]() There was one instance where I was explaining to a guy that I had it and he didn’t believe me. In these people, the condition is called mosaic Down syndrome. “I have given proof in the past that I do have it and since, I’ve been ignoring any comments. People with mosaic Down syndrome often, but not always, have fewer symptoms of Down syndrome because some cells are normal. Mosaic Down syndrome occurs in about 2 percent of all Down syndrome cases. Some have two copies of chromosome 21, and some have three. She said: "I do get comments saying that I am faking and people who think I’m straight-up lying. People with mosaic Down syndrome have a mixture of cells. Now, she’s sharing her condition on TikTok in a bid to raise awareness, with one clip racking up one million views and 124,000 likes. Typically, 20 different cells are analyzed in a chromosome study. Mosaicism is usually described as a percentage. But, despite this, among those born with trisomy there are artists, musicians, writers, actors and many other accomplished personalities. Mosaicism, or mosaic Down syndrome, is diagnosed when there is a mixture of two types of cells. Changes in the 21st chromosome lead to irreversible consequences that are not amenable to treatment. Due to this, she doesn’t have the “distinct” facial features associated with the common type, and the 22-year-old claims people have called her a “liar” as a result. Famous people with a mosaic form of Down syndrome. In addition to educating the public about mDs, we also provide support to families of children with mosaic Down syndrome. Grace, from Minnesota, has an extra chromosome in 60 percent of her cells, in which some of them have attached themselves to another extra chromosome. With your donation, we will be able to provide information to people around the world about mDs These funds will also be used to enable us to provide an educational conference for all those interested in mDs. Soon, her parents revealed that she had Mosaic Down Syndrome with translocation, a diagnosis so rare that it only affects one percent of those with Down syndrome. Growing up, Grace Flaherty struggled in school and often found she was “slower” than her peers with basic tasks, such as simple maths. ![]()
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