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CSU Chico - BIOL 323 - Study Guide

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CSU Chico - BIOL 323 - Study Guide

School: California State University Chico
Department: Biology
Course: Biology of Sex
Professor: Rebecca Brunelli
Term: Fall 2016
Tags: Bio323, study, guide, evolution, cells, Chromosomes, Mitosis, Meiosis, DNA, and Science
Name: BIOL 323 Study Guide, Exam One
Description: This is the corrected study guide.
Uploaded: 09/19/2016
0 5 3 69 Reviews
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background image BIO 323 Study Guide: Exam One Science: Basic Concepts o Hypothesis- Educated guess
o Prediction- 
o Independent Variable- The one thing that you change
o Dependent Variable- The one thing you measure
o Controlled Variable- The rest, stays the same
o Control Group- The normal/usual thing or group
o Experimental Group- The group that receives something
Proof: In science, there is no “real” scientific proof (nothing is 100% 
proven)
Theory: So much evidence for it, we know it’s the case Significance: Had a hypothesis and It was supported Double -Blind: Both the researcher and the subjects don’t know their 
treatments
Single-Blind: Only the subjects don’t know their treatments Open-Label: Both the researcher and subjects know their treatments Replication: Don’t do one study and say that it’s complete, keep doing 
it
Designing a Scientific Experiment:  o Study Question
o How many subjects will you need?
o Time frame?
o How will you conduct the experiment?
o Dependent Variable?
o Independent Variable?
o Controlled Variable?
o Control and Experimental Groups?
o Double-blind, Single-blind, or Open-label?
o How will you collect your data?
o Conclusion?
Evolution: Genetic variation:  Happens within a species
Evolution needs it
Genotype: Genetic code in cells Phenotype: Things you can observe, physically and behaviorally Adaptations: Feature common in a population because it provides some  improved functions Produced by Natural Selection
Adaption Examples:
Mimicry of Leaves
background image Allelopathy Evolution: The process in which populations of organisms diversify from
their ancestors
Evidence for Evolution:  Paleontology Fossils Transitional Fossils Biogeography  Study of the past and present geographical distribution of 
organic 
Similar species can be traced to an origin Comparative Anatomy Shows us how organisms adapt ancestral features to new 
uses 
Homologous- Similar anatomy, different ancestors Analogous- Similar functionality, different anatomy Vestigial Structures Things that were an adaptation for our ancestor, but now 
are not used anymore
Examples: appendix, goosebumps, tail bone, palmer reflex Developmental Biology/Embryology  Study the embryos of different species and see how related
species go through development 
Genetics/Genomics, Molecular Biology and Biochemistry Look at genetics of modern organisms Evolutionary Mechanisms Mutations: A change in the DNA A source of genetic variation Why does it happen? DNA copy mistake External influences Mutations are RANDOM (natural selection IS NOT) Somatic Mutations: Occur in non-reproductive cells Not passed to offspring Does not affect evolution Germ-line Mutations: Occur in reproductive cells Can pass to offspring Does affect offspring Single Germ-line Mutations Cause: Cause no, small, or large changes to the phenotype

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Join more than 18,000+ college students at California State University Chico who use StudySoup to get ahead
School: California State University Chico
Department: Biology
Course: Biology of Sex
Professor: Rebecca Brunelli
Term: Fall 2016
Tags: Bio323, study, guide, evolution, cells, Chromosomes, Mitosis, Meiosis, DNA, and Science
Name: BIOL 323 Study Guide, Exam One
Description: This is the corrected study guide.
Uploaded: 09/19/2016
6 Pages 53 Views 42 Unlocks
  • Better Grades Guarantee
  • 24/7 Homework help
  • Notes, Study Guides, Flashcards + More!
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