mendelian genetics slides
TRANSCRIPT
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Mendelian GeneticsHow we inherit our genes.
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Gregor Mendel
Genetic inheritance was first explained by Gregor Mendel in 1866.
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Why Care?
To understand genetic diseases
To create new genetic variations
To better understand evolution
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How are genetic traits passed on?
?
DNA Transcription RNA Translation Protein
I think parents pass on their __________ to their offspring
DNARNA Protein
Reminder: Draw out overview
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Review
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Review
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How are genetic traits inherited?
What kind of cells do you need to make a baby?
Gametes: a cell that fuses with another cell during fertilization- Sperm and egg cells- Sex cells
Our genetic inheritance is really complicated so let first focus on the simple pea plant.
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Somatic Cells
Somatic Cells: Cells that do not participate in sexual reproduction- ex: muscle cells, neural cells, skin cells
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How are genetic traits inherited?: Mendel’s Pea Plant Experiments
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How are genetic traits inherited?
Mendel’s Experiment demonstrates the
Law of segregation (the first law): parents pass on a randomly selected copy (allele) of a gene to its offspring.
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The second law
Law of Independent Assortment: genes for different traits usually will be passed on separately from each other.
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Summary
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Gene Inheritance with humans!
ee EEEe
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Gene Inheritance with humans!
RR or Rr rr
Can you roll your tongue?
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Concept Mapping