11 May 2010 Tuesday

11 May 2010 Tuesday - Lecture notes genetics 11 May 2010...

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Lecture notes genetics 11 May 2010 Nature of the genetic material Essential characteristics of the genetic material o Information Genotype-genetic constitution of an individual Phenotype-expression of the genotype as an observable physical, physiological or biochemical trait Phenotype+genotype=environment o Replication Must be able to undergo accurate replication o Variation Mutation – heritable change in DNA genetic recombination Cell and chromosome structure o Cell structures and the physiological processes in which they are involved are under genetic control o Key differences between prokaryotic and eukaryotic cells Membrane bound nucleus – eukaryotic cells Linear chromosomes – euk, vs circular – bact Diploid – euk, vs haploid – bact Mitosis and meiosis – euk, vs binary fission – bact. Homologous chromosomes, haploidy, and diploidy o Appearance of chromosomes under the microscope Characteristic length and position of centromere
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11 May 2010 Tuesday - Lecture notes genetics 11 May 2010...

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