Psychology 1000 Chapter Notes - Chapter 4: Evolutionary Psychology, Physical Attractiveness, Recombinant Dna

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: All

Document Summary

Phenotype: observable characteristics (physical looks, can be altered by other genes) Combine with dna from another organism (ex. Spider gene mixed with goat so that goat milk contains extreme amount of fibre) How much of characteristic is due to genetic factors: (h2) Rate of co-occurance of a characteristic among individuals (high rate highly related to one another) Adopted children frequently more similar to biological parents. Identical twins more similar even when reared apart. (twin a family 1 twin b family 2 similar) Identical twins correlation: . 86 they share similar iq. Gene does not entirely responsible for intelligence. Upper and lower limits that is allowed. Individual inherits a range for potential expression of a trait. Environmental effects determine where person falls within these limits. Twin will have similar experiences than people who are not twin. Ex) if both twins are handsome they will be treated at the same way therefore they will experience similar environment.