PSY 260 Lecture Notes - Lecture 2: Zygote, Fetus, Gamete
Document Summary
Dna molecules are instructions for manufacturing proteins. Rna molecules regulate and transcribe genetic instructions. # of chromosomes that humans should have. Cluster of cells that will eventually form a fetus. Psychological traits are likely polygenic and multifactorial. Multifactorial - affected by numerous genetic and environmental factors that influence the actual expression of genes. The power of environmental forces to switch the form and expression of genes. And alter your genetic code that will be passed down. Feeling lonely can impact rna and then allow genes related to heart disease and/or social anxiety to be activated. An allele has been identified for being liberal and is activated by the individual having many friendships. About 80% born to moms under age 35. Explain genetic testing results in clear, accurate way. Help guide individual/couple/family in making decisions regarding reproduction. Advised against being used for mental illness. E. g. , 27% chance with 2 schizophrenic parents.
