Genetic Disorders

Chromosomal abnormalities

________ typically occur because of errors in cell division (as opposed to inheritance)

percent of cases of moderate

It is responsible for about 40 ________- to- severe intellectual disability as defined by performance on an.

Klinefelter syndrome

________ (XXY): an extra X chromosome causes physical abnormalities.

intellectual disability

A person with DS has distinct facial features, ________, and oftentimes heart and gastrointestinal disorders.

X chromosome

Sex- linked genes: when a mutated gene is carried on the ________, the result is called X- linked inheritance.

turner syndrome

Treatment for ________: Hormone therapy in childhood and puberty.

Turner syndrome

________ (XO): a missing X chromosome in females can cause intellectual disability and sexual underdevelopment.

Sex-linked genes

when a mutated gene is carried on the X chromosome, the result is called X-linked inheritance

It is responsible for about 40 percent of cases of moderate-to

severe intellectual disability as defined by performance on an

Down syndrome

an extra chromosome causes mild to severe intellectual disability and physical abnormalities