Psychology 1000 Lecture Notes - Lecture 10: Color Blindness, Genetic Drift, Leonard Berkowitz

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Dr.Mike

Document Summary

Psych lecture october 15th, 2013: adaptation and selection, aggression, weapons effect. Note: make sure to know that identical twins reared apart are 0. 72, huntington"s dominant, so the offspring has a 50% of acquiring the gene but detection is possible through gene mapping. Sex linked disorders (multiple gene disorders: found on chromosome pair 23, found on xx or xy, men are more susceptible to them than women, less info on the y chromosome, causes baldness, red, green colour blindness, hemophilia. Normal is xx or xy but you could get: xxx, x, xxy, xyy (super aggressive chromosome and found a lot in prison, not completely true) 1 extra chromosome on the 21st pair: nervous system abnormality, mild to moderate impairment, shorter life span, physical appearance (mongolism) Downs is due to the accumulation of amyloid protein (also in alzheimer"s patients: note: can alleviate symptoms with intense cognitive stimulation! It is not hereditary due to faulty meiotic division (sticky chromosomes)