Psychology 1000 Lecture Notes - Lecture 10: Heritability, Sickle-Cell Disease, Far-Sightedness

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Mike Atkinson

Document Summary

Q: we would expect a 1-year-old child to recover from traumatic brain damage more quickly than an adult. Nature: something you"re born with: strand like molecules of dna, linked on chromosomes, karyotype: genetic blueprint, humans: Y is shorter than x: genes (dna) -> codes for rna -> codes for proteins (sequence of. The influence of genes is through protein synthesis there are no genes (cid:498)for(cid:499) Environment can influence protein synthesis as well: through reaction time a particular attribute amino acids, e. g. , diet. Genes determine range of possibilities, but not degree of expression. Critical period: environmental exposure at specific interval is critical (under genetic control but environment turns it off or on) E. g. , white-crowned sparrow must hear adult song between 7th and 60th day of life. Phenotype: outward expression of genotype (characteristics, behaviours, etc) Outward characteristics may not indicate underlying contribution: hair colour. Phenotypic outcome is very predictive in homozygous alleles.