PSY210H1 Chapter Notes - Chapter 3: Behavioural Genetics, Chromosome, Heredity
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*males are more likely than females to suffer a variety of sex-linked inherited disorders caused by recessive alleles on their x chromosome: polygenic inheritance: inheritance in which traits are governed by more than one gene, child"s environment-child"s phenotype. The first plant on the left that is the tallest one at sea level and at high elevation is one of the shortest at medium elevation. The fourth plant is tallest at the medium elevation and shortest at the highest. Notice that not a single plant is always either the tallest or the shortest across the three elevations. The most obvious source of shared environment is growing up in the same family. Brian development: structures of the brain. The neurons are more than 100 billion in the brain. Neurons: cells that are specialized for sending and receiving messages between the brain and all parts of the body, as well as within the brain itself constitute the gray matter of the brain.
