Chromosomal Abnormalities

Down Syndrome (Trisomy 21)

Extra copy of chromosome 21

-Surgery, SPED

Klinefelter Syndrome

-Extra X Chromosome (XXY)

• underdeveloped sex characteristics testes and have learning disorders

-Hormone Therapy

Fragile X Syndrome

Abnormality in X chromosome causes ID

-SPED, Speech Therapy

Turner Syndrome (Monosomy X)

Missing X chromosome for females

• This is characterized with short stature, webbed neck, impaired spatial abilities, no menstruation, infertility, and underdeveloped sex organs.

XYY Syndrome (Jacob's Syndrome)

This is characterized by tall stature, tendency toward low IQ, especially verbal.

Extra Y chromosome

-No treatment

Edward's Syndrome (Trisomy 18)

Extra copy of chromosome 18

Patau's Syndrome

(Trisomy 13)

Extra copy of chromosome 13