River has a round face,a flattened skull,an extra fold of skin over her eyelids,a thickened tongue,short limbs,and retardation of motor and mental abilities.She is likely to have been born with:

Question

Quizplus · Accepted Answer

The characteristic physical features described in the question (round face, flattened skull, extra fold of skin over eyelids, thickened tongue, and short limbs) are all common in individuals with Down syndrome. Additionally, Down syndrome is associated with mental and motor retardation. The other options (A, B, and D) do not typically have the same physical or cognitive features as Down syndrome.

River Has a Round Face,a Flattened Skull,an Extra Fold of Skin