8/19/2019 Common Genetic Disorders in Humans

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COMMON GENETIC DISORDERS IN HUMANS

The following are some of the more common and/or well known genetic disorders in humans. There are in

fact hundreds that have been identified. Chromosomal disorders are the result of errors in meiosis, and

therefore are not inherited through the generations. The others are inherited.

Chromosome disorders Down syndrome (3 copies of chromosome !"Turner#s syndrome (female with only one $"

%linefelter#s syndrome (male with e&tra $ ' $$"

Dominant genetic disorders )untington#s disease *oody +uthrie died from it

olydactyly

-arfan yndrome braham 0incoln had this

1ecessive genetic disorders ickle cell anemia 2rom frica

Tay'achs astern uropean 4ews

Cystic 2ibrosis *estern urope%5

lbinism

chondroplasia (Dwarfism"

6ote7 )undreds of recessive genetic disorders have been identified, and their origins are relatively

easy to locate. +eographical and cultural reproductive isolation will always result in the mating of

individuals with shared ancestry ' inbreeding.

e&'linked genetic disorders )emophilia -ultiple origins

1ed'green color blindnessDuchenne muscular dystrophy

+enetic predisposition Cleft lip/palate

Clubfoot

pina 8ifida

)ydrocephalus

)ypertension

)igh Cholesterol

-ental 9llness

Congenital heart defectsDiabetes mellitus::::-any,many,more ...

6ote7 +enetic predisposing factors are not a guarantee that a person will have a medical condition to

which they are genetically predisposed. Conditions such as these tend to run in families, but are

strongly influenced by environment ( diet, lifestyle, and behavior" ' and luck (good or bad".