Cromosoma 21: 1г—1 Instant

is the smallest human autosome, representing about 1.5% to 1.9% of the total DNA in a human cell. Despite its size, it is of critical medical importance because an extra copy of this chromosome—a condition known as Trisomy 21 —is the genetic cause of Down syndrome . Genetic Profile Size: It contains approximately 48 million base pairs .

Estimates vary, but it likely contains between 200 and 400 genes . Cromosoma 21: 1Г—1

It is an acrocentric chromosome , meaning its centromere is located very close to one end. Key Clinical Associations is the smallest human autosome, representing about 1