Genetic Disorders?

I am doing a science project on Genetic Disorders and I know there are 4 different types of genetic disorders (Single Gene, Multifactorial, Chromosomal & Mitochondrial).
What I need to know is what are some examples of diseases for each of them?

10 points to whoever answers this =]

Very small sample:

Single Gene:
Fragile X
Duchenne Muscular Dystrophy

Multifactoria:
Cancer
heart disease
Alzheimer's disease
arthritis
diabetes
obesity

Chromosomal:
Down syndrome
Klinefelter syndrome
Turner syndrome

Mitochondrial:
LHON (Leber Hereditary Optic Neuropathy)
Kearns-Sayre syndrome
Leigh syndrome

And example of Single Gene would be Sickle-cell Anemia.

Multifactorial genetic disorder would be something like heart disease, cancer and diabetes.

Chormosomal genetic disorder is Down's Syndrome with an extra 21st chromosome or Klinefelter's syndrome with two X chromosomes and one Y.

A mitochondrial genetic disorder is Leber's Hereditary Optic Neuropathy (LHON) a degeneration of retinal ganglion cells and axons

The gene, SRD5A2, encodes the molecular structure of the isoenzyme 5-alpha-reductase-2. This enzyme, is responsible for the reduction of T, i.e., testosterone, to DHT, i.e., 5-alpha-dihydrotestosterone.

There are many mutations, of this gene, all impairing the effectiveness of 5-alpha-reductase-2. The more severe mutations will result in pseudohermaphrodism, i.e., first trimester, sexual differentiation fails to occur properly. The result is a child, appearing to be a girl, that is genetically a boy. Often, complications arise, with the onset of puberty.

The link below, is to Stanford University Medical Library. You can find more information there. Should you choose to use this site, it may be helpful to search on reviews only. These articles are more comprehensive, and often, they are somewhat tutorial in nature.