Chapter 3 Notes - 50 Multiple Choice Questions Study Notes...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
50 Multiple Choice Questions Study Notes DEEPLY!!! Chapter Three: Biological Foundations How do genes transfer information from one generation to the next so that behavior and psychological traits are influence? -Nature and Nurture are INTERTWINED -Easier to think about physical characteristics instead of psychological characteristics as being hereditary. -More things than genetics are important to physical traits - Inheritance and Gene Expression - Behavioral Genetics : the study of how genes and environment interact to influence our psychological traits; inextricably intertwined; genes provide the blue prints but the environment determines the results EXAMPLE: genes are like an undeveloped picture, you could overexpose it with light or use different chemicals or photo-shop it, -No single gene that accounts for any specific behavior - Status of “The Human Genome Project”: mapping out our genes, mapped out DNA’s basic sequence in the hopes of using this information for medical treatments, knowledge of diseases, etc. -There is no specific gene for any disease, but a variety of genes -Humans have 20,000-30,000 genes -Skitscophrenia: there have been 20-30 genes identified for this particular disease The Human Body Down to Its Genes: -Cells are made up of cells which make up pairs of chromosomes which make up strands of DNA -Chromosomes are made of stands of DNA -DNA is shaped like a double-helix and is composed of genes -Genes provide instructions for making proteins -The environment is there from the very beginning, it can put the brakes on the instructions and is involved in deciding what and when proteins are produced. -Whether or not a cell develops into your stomach or your nose is based on what genes are turned on and which are turned off -The genome provides the option and the environment determines which option is taken. - Gene Expression : If gene is turn on, it is expressed. - Epigenome: Genes might be the same, but the epigenome might be VERY different, which would lead them to look a little different. Example: Identical Twins, slight difference is stress hormones, in temperature, ones born heavier or lighter. -Genes do not stay the same, they change.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 07/09/2011 for the course PSYC 1101 taught by Professor Crystal during the Fall '08 term at University of Georgia Athens.

Page1 / 6

Chapter 3 Notes - 50 Multiple Choice Questions Study Notes...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online