PSY210H5 Lecture Notes - Lecture 2: Phenylalanine, Fetus, Intellectual Disability

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24 Jul 2018
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Interaction happens at conception or in later years of life: alzheimer"s is an example, some genes stay dormant some are active, hiv. Have higher chance of carrying it to offspring (carrier: hemophilia- more common in males. Don"t have genes to clot; can bleed to the point of death. **class exercise: celeste and byron are going to have a baby, and they wonder whether or not it will have dimples. Having dimples is a dominant characteristic (not having dimples is recessive). What is the chance that their baby will have dimples: 75% chance (50% and 100%) Genetic disorders: genes can have both positive and negative effects on development. It"s possible for a person to receive whole sets of genes that are not only harmful but fatal. Figure 2-5: genetic transmission of pku: 50% carriers, 25% pku, 25% normal, population based screening- within first 3 months- blood work will be done (scan for pku, commonly transmitted- treatment for it (100%)

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