Genetics and Cell Biology: Terms and Definitions, Quizzes of Psychology

Download Genetics and Cell Biology: Terms and Definitions and more Quizzes Psychology in PDF only on Docsity! TERM 1 genes DEFINITION 1 sequences of DNA TERM 2 Chromosomes DEFINITION 2 46 pairs: 22 paired (autosomal) 2 sex TERM 3 Proteins DEFINITION 3 functions:neurotransmitter receptorshormonesenzymes TERM 4 Homozygous DEFINITION 4 person with identical set of genes on the 2 matched chromosomes is homozygous for that gene TERM 5 Heterozygous DEFINITION 5 person with unmatched pair of genes on the 2 matched chromosomes is heterozygous for that gene TERM 6 Dominant DEFINITION 6 gene that is more likely to show up over recessive (TT, Tt) TERM 7 Recessive DEFINITION 7 gene that is less common and only shows up if there are 2 (tt) TERM 8 Sex-Linked genes DEFINITION 8 genes on the sex chromosomesex: red/green color blindness TERM 9 Sex-Limited genes DEFINITION 9 present in both sexes, but has an effect only or mostly in one sexex: genes for chest hair (men) and breast size (women)genes are turned on under influence of sex hormones TERM 10 Heritability DEFINITION 10 estimate of how much of the variance in a characteristic is due to differences in genestwin studies: resemblance- MZ>DZ... high heritability MZ=DZ... low heritabilityadoption studies: kids resemble biological parents more than adopted parents in certain way, assume it's inherited