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• 0:00

  Introduction to Hardy-Weinberg

• 0:30

  Equations and Definitions

• 1:01

  AP Exam Equation Sheet

• 1:35

  Allele Frequencies Explained

• 2:07

  Poker Chips Allele Example

• 2:37

  Individual Alleles Focus

• 3:08

  Genotype Frequencies Defined

• 3:39

  Heterozygous and Dominant Phenotype

• 4:11

  Recessive Phenotype and q²

• 4:41

  Frequencies as Decimals

• 5:12

  Simple Allele Frequency Example

• 5:43

  Calculating p and q

• 6:15

  Sheep Population Example

• 6:46

  Counting Sheep Genotypes

• 7:18

  Total Sheep and Phenotypes

• 7:52

  Genotype Breakdown

• 8:24

  Allele Tally Method

• 8:54

  Dominant Allele Count

• 9:27

  Recessive Allele Count

• 9:59

  p and q in Sheep

• 11:03

  Heterozygote Frequency 2pq

• 11:36

  Homozygous Recessive q²

• 12:07

  Sheep Wool Problem Introduction

• 12:38

  Recessive Trait Analysis

• 13:08

  Given and Unknown Setup

• 13:41

  Ignoring Dominant Phenotype

• 14:11

  q² from Recessive Percentage

• 14:44

  Identifying Given q²

• 15:15

  Finding Heterozygous 2pq

• 15:45

  GUESS Method Overview

• 16:16

  Using p + q = 1

• 16:47

  Square Root for q

• 17:19

  q Calculation Result

• 17:49

  p Calculation Result

• 18:20

  Verify p + q = 1

• 18:50

  Solve for 2pq

• 19:20

  Step-by-Step Summary

• 19:51

  Hardy-Weinberg Problem Tips

• 20:22

  Practice Problems Preview