PSY E111 Lecture Notes - Lecture 11: Cystic Fibrosis, Quantitative Trait Locus, Phenylalanine
Document Summary
Gene a certain sequence of amines. Chromosome rod shaped structures of which genes are located found in the nucleus of a cell. Autosomes pairs of chromosomes (22) which characteristics are determined. Dominant gene genes that are more active in influencing the trait always expressed in an observable trait. Recessive gene genes that tend to recede, or fade, into the background when paired with a more dominant gene. Polygenic inheritance process of traits being controlled by more than one pair of genes (blond hair; blue eyes) Diseases carried by recessive genes inherited when a child inherits two recessive genes one from each parent. Cystic fibrosis disease of the respiratory and digestive tracts. Phenylalanine infant is born without the ability to break down phenylalanine. Down syndrome disorder in which there is an extra chromosome in what would normally be the 21st pair. Klinefelter"s syndrome 23rd set of sex chromosomes is xxy males reduced masculine characteristics enlarged breasts, obesity, and excessive height.
