free diagnosticupgrade
  1. browse cram archives
  2. ap biology
  3. AP Biology - Hardy-Weinberg Equilibrium & Calculations

ap biology - hardy-weinberg equilibrium & calculations

originally streamed in 2019 with Caroline KoffkeTeacher
subscribe
Learn how to calculate allele frequencies and predict genotype distributions using Hardy-Weinberg equilibrium. This AP Biology Unit 7 review walks you through the p² + 2pq + q² equation with real practice problems and helps you identify when populati ...more

covered in this stream

units
Unit 7 – Natural SelectionUnit 5 – Heredity
topics
7.5 Hardy-Weinberg Equilibrium7.4 Population Genetics7.1 Introduction to Natural Selection7.2 Natural Selection5.3 Mendelian Genetics

timestamps

  • 0:00

    Genetics Review Introduction

  • 0:30

    Alleles and Dominance

  • 1:02

    Diploid Organisms and Genotypes

  • 1:32

    Homozygous and Heterozygous

  • 2:34

    Genotype vs Phenotype

  • 3:36

    Phenotype Examples

  • 5:10

    End of Genetics Crash Course

  • 5:41

    Gene Pool Explanation

  • 6:43

    Reasons Alleles Change

  • 7:47

    Gene Flow

  • 8:18

    Genetic Drift

  • 9:19

    Non-Random Mating

  • 9:49

    Hardy-Weinberg Equilibrium

  • 11:24

    Five Conditions for Equilibrium

  • 13:55

    Hardy-Weinberg Equations

  • 15:30

    P and Q Definitions

  • 17:09

    Genotype Frequencies

  • 18:44

    Recessive Phenotype

  • 20:20

    Sheep Example Calculation

  • 23:26

    Allele Frequencies

  • 27:39

    First Practice Problem

  • 31:47

    Finding Q from Q Squared

  • 35:55

    Solving for Heterozygous

  • 38:02

    Second Practice: Puppies

  • 42:16

    Calculating Q Squared

  • 45:21

    Third Practice: Wildflowers

  • 46:54

    Recessive Percentage

  • 49:05

    Finding P Squared

  • 52:41

    Conclusion and Review

more on these topics
AP Biology CRAM – Units 5-8 Review

2:57:21

AP Biology CRAM – Units 5-8 Review

2023 · Kari Parnin

AP Biology - Punnett Squares & Allele Combinations

2:28

AP Biology - Punnett Squares & Allele Combinations

2021 · Kari Parnin

AP Biology - Genetics & Hardy-Weinberg Practice

AP Biology - Genetics & Hardy-Weinberg Practice

2020 · Kari Parnin

AP Biology - Evolution: Natural Selection & Speciation

57:40

AP Biology - Evolution: Natural Selection & Speciation

2019 · Caroline Koffke

AP Bio - Review Part I_ Evolution

AP Bio - Review Part I_ Evolution

2019 · Caroline Koffke

up next in ap biology
AP Biology - Exam Preview & Study Strategies

1:10:28

AP Biology - Exam Preview & Study Strategies

2024 · Kush Weliwita & Lucky Soma

AP Biology CRAM – FRQ Practice Units 4-6

1:09:58

AP Biology CRAM – FRQ Practice Units 4-6

2020

AP Biology - FRQ Practice: 2015 Exam Questions

1:06:09

AP Biology - FRQ Practice: 2015 Exam Questions

2020 · Caroline Koffke

AP Biology - Extinction, Variation & Origins of Life

56:14

AP Biology - Extinction, Variation & Origins of Life

2020 · Jessica Nadzam

AP Biology - Microevolution & Hardy-Weinberg

58:34

AP Biology - Microevolution & Hardy-Weinberg

2020 · Jessica Nadzam

more from Caroline Koffke
AP Biology - Mendelian Genetics & Chi-Square

57:18

AP Biology - Mendelian Genetics & Chi-Square

2020 · Caroline Koffke

AP Biology - Nutrient Cycles & Succession

52:59

AP Biology - Nutrient Cycles & Succession

2019 · Caroline Koffke

AP Biology CRAM – DNA, Cell Cycle & Gene Expression

AP Biology CRAM – DNA, Cell Cycle & Gene Expression

2019 · Caroline Koffke

AP Biology - Microevolution & Natural Selection

57:19

AP Biology - Microevolution & Natural Selection

2018 · Caroline Koffke

Fiveable

Study Content & Tools

Study GuidesFRQs + AI ScoringAP Essay Grader for StudentsAI Grading for TeachersPractice QuestionsGlossaryScore Calculators

Company

What's New?PricingBulk DiscountsTestimonialsFAQsEmail us

Resources

AP Exam Schedule 2027AP Exam AccommodationsAP ClassesAP ClassroomEasiest AP ClassesHardest AP ClassesAP vs IBAP vs Dual EnrollmentAP vs Honors ClassesAP Scholar Awards

every AP exam is fiveable

history

🌎 ap world history🇺🇸 ap us history🇪🇺 ap european history

social science

✊🏿 ap african american studies🗳️ ap comparative government🚜 ap human geography💶 ap macroeconomics🤑 ap microeconomics🧠 ap psychology👩🏾‍⚖️ ap us government

english & capstone

✍🏽 ap english language📚 ap english literature🔍 ap research💬 ap seminar

arts

🎨 ap art & design🖼️ ap art history🎵 ap music theory

science

🧬 ap biology🧪 ap chemistry♻️ ap environmental science🎡 ap physics 1🧲 ap physics 2💡 ap physics c: e&m⚙️ ap physics c: mechanics

math & computer science

🧮 ap calculus ab♾️ ap calculus bc📐 ap precalculus📊 ap statistics💻 ap computer science a⌨️ ap computer science p

world languages

🇨🇳 ap chinese🇫🇷 ap french🇩🇪 ap german🇮🇹 ap italian🇯🇵 ap japanese🏛️ ap latin🇪🇸 ap spanish language💃🏽 ap spanish literature

career kickstart

💼 ap business with personal finance🔒 ap cybersecurity

go beyond AP

high school exams

✏️ PSAT🎓 Digital SAT🎒 ACT

honors classes

🍬 honors algebra II🫀 honors anatomy🐇 honors biology👩🏽‍🔬 honors chemistry💲 honors economics📐 honors geometry⚾️ honors physics📏 honors pre-calculus📊 honors statistics🗳️ honors us government🇺🇸 honors us history🌎 honors world history

college classes

👩🏽‍🎤 arts👔 business🎤 communications🏗️ engineering📓 humanities➗ math🧑🏽‍🔬 science💶 social science

hs classes

🏛️ alabama history⛰️ appalachian studies🌴 california history🌍 earth science🌐 ethnic studies🐊 florida history🍑 georgia history🌎 global studies🌺 hawaiian studies📰 journalism🪶 native american studies🌵 new mexico history🤠 oklahoma history⚗️ physical science🎙️ speech and debate🤝 texas government🤠 texas history🌲 washington state history🕊️ world religions

RefundsTermsPrivacyCCPAAI TransparencySchool Data Privacy

© 2026 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.

every AP exam is fiveable

Fiveable

Study Content & Tools

Study GuidesFRQs + AI ScoringAP Essay Grader for StudentsAI Grading for TeachersPractice QuestionsGlossaryScore Calculators

Company

What's New?PricingBulk DiscountsTestimonialsFAQsEmail us

Resources

AP Exam Schedule 2027AP Exam AccommodationsAP ClassesAP ClassroomEasiest AP ClassesHardest AP ClassesAP vs IBAP vs Dual EnrollmentAP vs Honors ClassesAP Scholar Awards

history

🌎 ap world history🇺🇸 ap us history🇪🇺 ap european history

social science

✊🏿 ap african american studies🗳️ ap comparative government🚜 ap human geography💶 ap macroeconomics🤑 ap microeconomics🧠 ap psychology👩🏾‍⚖️ ap us government

english & capstone

✍🏽 ap english language📚 ap english literature🔍 ap research💬 ap seminar

arts

🎨 ap art & design🖼️ ap art history🎵 ap music theory

science

🧬 ap biology🧪 ap chemistry♻️ ap environmental science🎡 ap physics 1🧲 ap physics 2💡 ap physics c: e&m⚙️ ap physics c: mechanics

math & computer science

🧮 ap calculus ab♾️ ap calculus bc📐 ap precalculus📊 ap statistics💻 ap computer science a⌨️ ap computer science p

world languages

🇨🇳 ap chinese🇫🇷 ap french🇩🇪 ap german🇮🇹 ap italian🇯🇵 ap japanese🏛️ ap latin🇪🇸 ap spanish language💃🏽 ap spanish literature

career kickstart

💼 ap business with personal finance🔒 ap cybersecurity

go beyond AP

high school exams

✏️ PSAT🎓 Digital SAT🎒 ACT

honors classes

🍬 honors algebra II🫀 honors anatomy🐇 honors biology👩🏽‍🔬 honors chemistry💲 honors economics📐 honors geometry⚾️ honors physics📏 honors pre-calculus📊 honors statistics🗳️ honors us government🇺🇸 honors us history🌎 honors world history

college classes

👩🏽‍🎤 arts👔 business🎤 communications🏗️ engineering📓 humanities➗ math🧑🏽‍🔬 science💶 social science

hs classes

🏛️ alabama history⛰️ appalachian studies🌴 california history🌍 earth science🌐 ethnic studies🐊 florida history🍑 georgia history🌎 global studies🌺 hawaiian studies📰 journalism🪶 native american studies🌵 new mexico history🤠 oklahoma history⚗️ physical science🎙️ speech and debate🤝 texas government🤠 texas history🌲 washington state history🕊️ world religions
RefundsTermsPrivacyCCPAAI TransparencySchool Data Privacy

© 2026 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.