Biology 102 - Week 3 - Microbiology and Genes
Biology 102 - Week 3 - Microbiology and Genes 102
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This 4 page Class Notes was uploaded by Chandler Hartley on Saturday September 10, 2016. The Class Notes belongs to 102 at Washington State University taught by Justine Rupp, and Paul Verrell in Fall 2016. Since its upload, it has received 131 views. For similar materials see BSCI General biology in Biology at Washington State University.
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Date Created: 09/10/16
Highlighting Key: Important Vocabular Important Peo Important Information ● Evolution of Resistances ○ Crop losses are large in general ■ We use pesticides to have less loss ■ Bugs/Pests that have the genes to resist, or withstand the poisons will survive ● Evolves them into eventually making the pesticide useless ■ As time progresses pesticides no longer work ■ Next generation of Pesticide comes out and then the cycle repeats ○ Civil war ■ Lots of deaths because there was no defense against bacteria/infection ○ World War 2 ■ Had Penicillin ● Killed bacteria and prevent infection ● Mass produced ● Alexander Fleming ○ Tuberculosis ■ Many different treatments that no longer work ● MultiDrugResistant Tuberculosis is currently untreatable and will kill the person ○ MRSA controlled disease ■ FleshEating Bacteria ● Now resists the treatment ● Very limited treatments ● Few strains that actually cure you ○ C. Diff ■ Causes severe problems in your guts ■ Generates Ulcers ■ Currently able to control it ■ Fecal Transplant fixes it ○ Antibiotic use has increased 36% ○ 80% of all U.S. antibiotic use is to increase the growth of farm animals ○ LongDreaded Superbug found in Human and Animals in China and the U.S. ■ Resistant to all of the current drugs ■ Promiscuous bacteria ● Ability to easily swap genetic material ■ Superbug able to possible give the resistances to other bacterial diseases ● Microbiology ○ Human Body is full of bacteria ■ Good Bacteria ■ Generally regional in your body ● Lamarck's Ideas ○ Offspring acquire characteristics that their parents got during their lifetime ● Offspring Blend together the traits of their parents ● Gregor Mendel and His Peas ○ Growing peas in czechoslovakia for the monastery he lived in ○ Also kept honeybees ○ Noticed patterns of inheritance in the peas that he grew ○ Peas had iscrete ("eitheror") traits ■ Flowers are either red or white ■ Tall or short ■ Inflated or Pinched ○ Breeding true ■ If parents are both red flower ● Red flower ■ If parents are both white flowers ● White flower ■ If parents are red and white ● All Red flower ○ Conclusions ■ 'Inheritance Units' ● Genes ○ Come in pairs ○ Each has two lleles ■ Alleles make up the two hidden traits that affect a gene ■ One from each parent ■ One allele can 'mask' the other ● Dominant alleles can 'm ecessive alleles ○ For any gene you might have ■ Dominant have capital letters ■ Recessive have lowercase letters ● Two Dominant alleles ○ AA ● Two Recessive alleles ○ aa ● One Dominant and one Recessive allele ○ Aa ■ Two of the same ● Homozygous ○ AA or aa ■ Two that are different ● Heterozygous ○ Aa ■ Genotypes ● The genes that are inside of you ■ Phenotypes ● The traits that are visible ■ Punnett Square ● The square where you place in the alleles to form the offspring ● Dominant traits always go first when written ● Sicklecell disease ○ Sicklecells can't pass through small blood vessels ■ Can't carry as much oxygen ■ Recessive trait, when the person is Heterozygous they are resistant to many diseases, but when homozygous recessive they die very young
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