Psychology 2040A/B Lecture Notes - Chromosome Abnormality, Blood Type Personality Theory, Allosome
28 Feb 2013
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*we need the environment (if we"re genetically supposed to be tall, but are malnourished then no) Direct production of amino acids necessary for forming new cells. Guide cells to develop different parts of the body. May turn on or turn off other genes (fetuses start off the same amino acid help with sex) *if your mum has a type blood and your dad has b then you can end up with ab type. Monozygotic (identical): a zygote that divides to form two genetically identical individuals. *23 chromosomes that are similar and should match up, but the sex one is different. *multiple genes need to be active and activating in sequence or tandem or groups. *most of our characteristics are not dominant/recessive but cascading on/off from many genes. *1 in 124 births (higher with fertility drugs) *in canada, we"re seeing a decrease in the birth rate, but an increase in multiple births.
