hyperdiploidy

What Causes Extra Copies Of Chromosomes?

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What Causes Extra Copies Of Chromosomes? The addition of an extra chromosome usually occurs spontaneously during conception. The cause of this is unknown and prevention is not possible. The most important risk factor for trisomy conditions is maternal age. Women in their late 30s and 40s have a higher chance of trisomy conditions occurring. Why

What Is Hyperdiploidy?

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What Is Hyperdiploidy? Hyperdiploidy (chromosomal number 51-65) is a common cytogenetic abnormality in pediatric patients with B-lymphoblastic leukemia (B-ALL) and belongs to the favorable cytogenetic subgroup. Hyperdiploidy in adult B-ALL is much less common and its clinical significance has not been well studied. What is Hyperdiploidy in myeloma? Abstract. Chromosomal hyperdiploidy is the defining genetic