BIOL1006 Lecture Notes - Lecture 9: Messenger Rna, Eye Color, Blood Type
Lecture 9- Mendelian Inheritance
Genotype:
• Genetic makeup of an organism
• Description of the allele
• Defining what one gene is
• Nature
Phenotype (Genotype + Environment)
• Expression of the gene
• Physical characteristics
• Form of organism
Determined by
• Inheritance (genotype)
• Action of other genes
• Environmental and developmental influences
What’s Important?
Genotype:
• Sex
• Blood type
• Eye colour
Environment important:
• Language
• Culture
Both:
• Height
One gene one polypeptide- Most characteristics of an organism can be traced
back to proteins
Gene makes messenger RNA, which makes protein
• Metabolic enzymes
• Membrane proteins
• Structural proteins
• Transport proteins
• Immune system proteins
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