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Which of the following physical characteristics is often associated with Trisomy 21 (Down syndrome)?

A. Microcephaly and an abnormal-shaped head
B. Macrocephaly and a round head
C. Long limbs and a slender physique
D. Curved spine and short stature

Answer :

Final answer:

The physical characteristic associated with Trisomy 21, or Down Syndrome, is Macrocephaly and a round head. This condition is a genetic disorder caused by the presence of an extra chromosome 21 and is often accompanied by intellectual disability and physical growth delays.

Explanation:

The physical characteristic often associated with Trisomy 21 (Down syndrome) is Macrocephaly and a round head. Trisomy 21, also known as Down Syndrome, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. It is most typically associated with physical growth delays, characteristic facial features, and often intellectual disability.

One of the key identifiable features of Down syndrome is a typically rounder head shape, owing to macrocephaly, which means larger than normal head size. Option B is the correct answer. It's important to note that aside from physical characteristics, individuals with Down syndrome may have other health challenges, which may include heart disease and hearing difficulties among others. However, with health management and support, individuals with Down syndrome can lead fulfilling lives.

Learn more about Down Syndrome here:

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