Down Syndrome

question 34

Multiple Choice

Down syndrome

• A)is very rare.
• B)is inherited as an X-linked recessive condition.
• C)results in some degree of mental impairment.
• D)individuals have normal life expectancies.
• E)cannot be detected through prenatal diagnosis.

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Definitions:

Vitamin C

A water-soluble vitamin found in various foods, necessary for the growth, development, and repair of all body tissues, and functioning as an antioxidant.

Cyanocobalamin

is a synthetic form of vitamin B12 used to treat and prevent B12 deficiency and related conditions.

Folic Acid

A water-soluble B vitamin that is crucial in the synthesis of nucleic acid and the formation of red blood cells, often recommended during pregnancy.

DNA

A nucleic acid that contains the genetic information of cells.