Psychology 1000 Lecture 4: Chapter 4 Read Appendix ask drmike chapter3 discussion oct.21 due

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

Document Summary

Where is the discussion chapter3: ask questions in the discussion group and answer at least one oct. 17 will be closed. Karyotype: genetic blueprint (dna pictures of 23 chromosomes) Humans: 23 pairs 22 autosomes + sex chromosomes xx male. Xy female (y is half size of x) Genes(composite dna) >rna(generate by dna) > protein molecules(sequence of amino acids) The influence of genes is through protein synthesis there are no genes for a particular attribute. >reaction time (the shorter time, the higher iq) Genes determine range of possibilities(tell you what might be), but not degree of expression. E. g. white-crowned sparrow must hear adult song between 7th and. Phenotype: outward expresi n of genotype (characteristics, behaviors etc) Outward characteristics may not indicate underlying genetic contribution. Dominant: produce effect in either homozygous or heterozygous mode. : brown is dominant, blue is recessive dark hair is dominant short index finger is recessive. Hold hands, left thumb over right is dominant.