Felix Charfauros

Edward Charfauros

Ian Alu Charfauros

Lourdes Charfauros

Vernon Charfauros

Andrew Charfauros

Presentation by Edward CharfaurosCharfauros

Agenda• Physical Attributes• Genetic Disorders• Sex-linked Traits• Reference• Question and Answer Session

• Hair Color• Eye Color• No Wisdom Teeth• Laugh• Hairless Armpits• Dominant Hand• Feet

Physical Attributes

• NONE

Genetic Disorders

• Men normally have an X and Y sex chromosome combination.• Women have two X sex chromosomes.• There is an estimation 1,098 human X-linked genes.• Many abnormal conditions stem from non-sex determining X-linked genes.• Examples: Congenital night blindness, Duchenne muscular dystrophy, fragile-X

syndrome, G6PD deficiency, hemophilia, some high blood pressure, red-green color blindness, and the majority of common human genetic disorders.

Sex-linked Traits

Sex-linked Traits• If a woman carries an X-linked recessive

allele for a disorder and her mate does not, a 50% chance exist with their sons inheriting the disorder. No daughter will carry it, as half of them will likely be carriers.

• If a man possesses an X-linked recessive disorder and his mate does not, their daughters become carriers. No son will inherit the harmful allele, as only females receive X chromosomes from their fathers.

• O'Neil, D. (2012). Sex linked genes. Retrieved from http://anthro.palomar.edu/biobasis/bio_4.htm

Reference

Question & Answer Session