BIOM 121 1nd Edition Lecture 20 Outline of Last Lecture I Meiosis a Make up b Life Cycle c Stages Outline of Current Lecture II Definitions III Blood Type IV Sex Linked Disorders Current Lecture Definitions I II III IV Incomplete Dominance when phenotype of heterozygous is intermediate between the phenotypes of individuals homozygous for either allele Monohybrid Cross between two organisms that are heterozygous for the character being followed Dihybrid Cross between two organisms that are each heterozygous for both of the characters being followed Codominance the situation where the phenotypes of both alleles are exhibited in the heterozygote because both alleles affect the phenotype in separate distinguishable ways Blood Type Types I A a Genotype AA AO II B a Genotype BB BO III AB a Genotype AB IV O a Genotype OO These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Multiple Alleles multiple alleles code for one trait Antigen Attaches to different blood types and defines the type Sex Linked Disorders Sex Linked located on X chromosome Normal Sex Chromosomes Man XY Woman XX Abnormal XXY Klinefelter s Syndrome X Turner s Syndrome XYY Superman Syndrome
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