PSYC-2005EL Lecture Notes - Lecture 3: Down Syndrome, Specific Developmental Disorder, Xyy Syndrome
3 Oct 2016
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Document Summary
Humans are made up of more complex genetics. However, for the purpose of genetic testing, a single gene control is used. Trivial characteristics under a single gene: ear lobes, tongue curling, webbed toes, blood type. Can two brown eyed parents have a blue eyed child: allele possibilities include brown or blue; where brown is the dominate trait and blue is the recessive trait. Genotype: a person"s genetic makeup (blue eyes = bb) Genotype + environment (summer tan the environment affects the colour of your skin). Punnett squares are used to predict the potential outcome of traits. B b: chance of two brown eyed parents having a blue eyed baby. A congenital problem is a health concern that the baby is born with; although it is present at birth it may not manifest itself until later in life. The two main causes of congenital health problems are genetic inheritance or environmental. Inherited congenital problems o o o o o o.
