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BIOL 1001A (1,796)

Class Notes for Biology 1001A at Western University

Biology For Science I

Biology 1001A Lecture Notes - Lecture 23: Herpes Labialis, Vertically Transmitted Infection, Myxoma
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BIO1001A Lecture 23 Evolutionary Arms Races When two species interact Both may benefit: Mutualism Example: Acacia plants and acacia ants Plants provide ants with food and shelter, while the ants protect the plant in turn E...

Biology
Biology 1001A
Beth Mac Dougall- Shackleton
Biology 1001A Lecture Notes - Lecture 22: Denisovan, Sister Group, Gene Flow
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BIO1001A Lecture 22 Human Evolution Reinforcement: selection favours evolution of prezygotic isolation If populations come back into secondary contact, and if postzygotic isolation has already occurred Then individuals who...

Biology
Biology 1001A
Beth Mac Dougall- Shackleton
Biology 1001A Lecture Notes - Lecture 21: Species Problem, Reproductive Isolation, Probability Distribution
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Lecture 21 Species Concepts and Speciation Why does it matter how we define a species? What do we mean when we talk about a species? Example: Eastern gray wolves (from Literacy 5) Are they a distinct species, a subspecies,...

Biology
Biology 1001A
Beth Mac Dougall- Shackleton
Biology 1001A Lecture Notes - Lecture 20: Phylogenetic Tree, Convergent Evolution, Body Plan
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BIO1001A Lecture 20 Phylogeny (continued) Outgroup comparison relies on parsimony: simplest explanation is best Whichever tree requires the fewest evolutionary changes (gains or losses of a trait), is probably correct Exam...

Biology
Biology 1001A
Beth Mac Dougall- Shackleton
Biology 1001A Lecture 19: Phylogeny
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BIO1001 Lecture 19 Phylogeny Review Evolutionary history = Phylogenies Phylogenies are represented in phylogenetic trees (branching) Humans are more related to frogs than insects because humans have a more recent common an...

Biology
Biology 1001A
Beth Mac Dougall- Shackleton
Biology 1001A Lecture Notes - Lecture 18: Last Universal Common Ancestor, Macroevolution, Microevolution
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BIO1001A Lecture 18 Life on Earth Focus is going from microevolution to macroevolution Leaving microevolution (changes in allele frequencies in a population), now looking at macroevolution (patterns of evolution among diff...

Biology
Biology 1001A
Beth Mac Dougall- Shackleton
Biology 1001A Lecture Notes - Lecture 17: Genomic Imprinting, Fetus, Chloroplast
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BIO1001A Lecture 17 Cooperation and Conflict 2 Review: Many (altruistic) behaviours that appear to not be favoured by natural selection can be favoured by kin selection Cooperation and conflict can also appear in nonrelate...

Biology
Biology 1001A
Beth Mac Dougall- Shackleton
Biology 1001A Lecture Notes - Lecture 16: Kin Selection, Inclusive Fitness, Fetus
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BIO1001A Lecture 16 Cooperation and Conflict Selection is fundamentally competitive Comes down to differences in relative fitness of different genotypes Individuals constantly compete with others in order to have a greater...

Biology
Biology 1001A
Beth Mac Dougall- Shackleton
Biology 1001A Lecture Notes - Lecture 15: Mate Choice, Parental Investment, Facial Symmetry
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BIO1001A Lecture 15 Sexual Selection Review: Mutational explanations offer longterm populationlevel benefits of sex Sexual reproduction allows populations to evolve quicker Ecological explanations for sex: In some environm...

Biology
Biology 1001A
Beth Mac Dougall- Shackleton
Biology 1001A Lecture Notes - Lecture 14: Ginkgo, Wrasse, Anisogamy
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BIO1001A Lecture 14 Why Sex? Introduction In many species there are two distinct sexes: male and female Other species reproduce asexually and are clones of one another, only one gender (female) Whiptail lizards reproduce a...

Biology
Biology 1001A
Beth Mac Dougall- Shackleton
Biology 1001A Lecture Notes - Lecture 13: Genetic Drift, Mutation, Gene Flow
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BIO1001A Lecture 13 Agents of Evolution Term Test 2 Saturday, Nov. 7, 24 pm Rooms posted on OWL Cumulative: tests outcomes for Cycles 36, plus key outcomes for Cycles 1 2 Multiple choice questions individual and collabora...

Biology
Biology 1001A
Beth Mac Dougall- Shackleton
Biology 1001A Lecture Notes - Lecture 12: Balancing Selection, Sickle-Cell Disease, Heterozygote Advantage
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BIO1001A Lecture 12 Selection and Fitness Beths Availability Office hours Mon Thurs, 121, BGS 3046 Email for appointments outside office hrs Ask questions after lecture Post questions to forums Reminder: Fall break this w...

Biology
Biology 1001A
Beth Mac Dougall- Shackleton
Biology 1001A Lecture 10: Mendel
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BIO1001A Lecture 10 Mendel Alternate alleles have different DNA sequence You inherited 7580 new mutations from parents that they didnt even inherit from their parents When do these de novo mutations happen such that they e...

Biology
Biology 1001A
Beth Mac Dougall- Shackleton
Biology 1001A Lecture Notes - Lecture 11: Dihybrid Cross, Endoplasmic Reticulum, Meiosis
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BIO1001A Lecture 11 Inheritance in Populations Review of last lecture Alternate alleles have different DNA sequence Allele = changes in DNA sequences Mendel figured out how these alleles are inherited Inheritance in punnet...

Biology
Biology 1001A
Beth Mac Dougall- Shackleton
Biology 1001A Lecture Notes - Lecture 9: Xyy Syndrome, Zygote, Nondisjunction
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BIO1001A Lecture 9 Meiosis Review: Meiosis is one of the mechanisms generating CNVs (as well as gametes for animals) through recombination in meiosis by cutting and pasting DNA backbones Duplicated genes are good for evolu...

Biology
Biology 1001A
Beth Mac Dougall- Shackleton
Permachart - Marketing Reference Guide: Extensor Carpi Ulnaris Muscle, Flexor Pollicis Longus Muscle, Abductor Digiti Minimi Muscle Of Hand

perm ach artsMT T rigger Points II: Extremities T rigger Points II: Extremities ...

ANAT - Anatomy
ANAT 14
All Professors
ANAT - Anatomy
ANAT 14
All Professors
ANAT - Anatomy
ANAT 14
All Professors
Permachart - Marketing Reference Guide: Sacral Plexus, Lumbar Plexus, Sympathetic Ganglion

pe rm a ch ar ts MT Spinal Cord 2nd EDITION Figure ...

ANAT - Anatomy
ANAT 14
All Professors
Multicellular Biology - Reference Guides

This Guide is the progressive companion to the Cellular Biology title. The complexities of human physiology are made much clearer through the bright graphics and intelligently coordinated text boxes and glossaries that are...

ANAT - Anatomy
ANAT 14
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Permachart - Marketing Reference Guide: Levator Veli Palatini, Orbicularis Oculi Muscle, Scalene Muscles

Muscular System: pe rm ac ha rts MT Head & Torso 2nd EDITION ...

ANAT - Anatomy
ANAT 14
All Professors
ANAT - Anatomy
ANAT 14
All Professors
ANAT - Anatomy
ANAT 14
All Professors
Permachart - Marketing Reference Guide: Heart Valve, Inferior Vena Cava, Pulmonary Valve

permacharts TM Cardiovascular Physiology 2nd EDITION HEART STRUCTURE & FUNCTION ...

ANAT - Anatomy
ANAT 14
All Professors
ANAT - Anatomy
ANAT 14
All Professors
Permachart - Marketing Reference Guide: Meiosis, Nuclear Membrane, Nuclear Pore

l e a r n • r e f e r e n c e • r e v i e w permacharts TM CCellular Biology BIOLOGY BASICS C...

ANAT - Anatomy
ANAT 14
All Professors
Cellular Respiration - Reference Guides

The specific aspects of cellular respiration are explained in this helpful Guide. The fundamental processes such as the electron transport chain, proton pumps, ATP synthetase, and glycolysis are each described with helpful...

ANAT - Anatomy
ANAT 14
All Professors
Permachart - Marketing Reference Guide: Submandibular Duct, Parotid Duct, Palatine Tonsil

pe rm a ch a rtsMT DDigestive System 2nd EDITION Fi...

ANAT - Anatomy
ANAT 14
All Professors
Permachart - Marketing Reference Guide: Antigen-Presenting Cell, Memory T Cell, Clonal Deletion

permacharts TM IImmunology 2nd EDITION G ENERAL INFORMATION - AN OVERVIEW ...

ANAT - Anatomy
ANAT 14
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Permachart - Marketing Reference Guide: Superior Frontal Sulcus, Inferior Parietal Lobule, Superior Frontal Gyrus

p erm ac hartsMT Brain 2nd EDITION FIGURE 1: GROSS ANATOMY (LATERAL VIEW) ...

ANAT - Anatomy
ANAT 173
All Professors
Permachart - Marketing Reference Guide: Superficial Palmar Arch, Costocervical Trunk, Thyrocervical Trunk

p erm a ch ar tsMT CCirculatory System 2nd EDITION Figure...

Biology
BI 361
All Professors

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