Psychology 1000 Lecture Notes - Lecture 7: Absolute Difference, Gene Mapping, Color Blindness

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

Document Summary

We would expect a 1 year old child to recover from traumatic brain damage more quickly than an adult. Something we"re born with vs. something we learn. Humans: 23 pairs of chromosomes: 22 pairs of autosomes + 1 pair of sex chromosomes (xx, xy) codes for rna --> codes for protein molecules (sequences of amino acids) Speed of communication in nerves is influenced by myelin! Proteins for reaction time maybe have something to do with myelinating axons?) Genes determine the range of possibilities, but not the degree of expression. E. g. white-crowned sparrow must hear adult song between 7th and 60th day or it will not develop birdsong. Phenotype: outward expression ot genotype (characteristics, behaviours, etc. ) ** genotype cannot be inferred from phenotype (however you can maybe infer phenotype from genotype) Outward characteristics may not indicate underlying genetic contribution (ex. If alleles are the same: homozygous (phenotypic outcome is obvious)