ap biology cram – chi-square & genetics problems

timestamps

• 0:00

  Cram Session Introduction

• 0:35

  Prioritizing Questions

• 1:07

  Study Schedule Tips

• 1:38

  Test Day Advice

• 2:09

  Multiple Choice Strategies

• 2:41

  Grid-In Question Tips

• 3:11

  Free Response Strategies

• 3:43

  Limiting Response Length

• 4:13

  Stubbornness in Testing

• 4:44

  Free Response vs Multiple Choice

• 5:15

  Strengths and Stress Management

• 5:45

  Topics on the Exam

• 6:47

  Big Idea 1 Topics

• 7:18

  Big Idea 2 Topics

• 7:51

  Presentation Links

• 8:21

  Chi-Square Introduction

• 8:52

  2013 Free Response Example

• 9:22

  Chi-Square Steps Overview

• 9:53

  Expected Values Explanation

• 10:24

  Choice Chamber Setup

• 10:56

  Banana Experiment Data

• 11:26

  Fly Attraction Reasons

• 11:57

  Observed Values

• 12:27

  Null Hypothesis

• 12:57

  Expected Distribution

• 13:28

  Common Mistakes

• 14:01

  Calculation Process

• 14:32

  Chi-Square Value

• 15:03

  Null in Genetics

• 15:39

  Group Calculations

• 16:10

  Interpreting Results

• 16:41

  Rejecting Null Hypothesis

• 17:12

  Expected Values Meaning

• 17:42

  Genetics Null Example

• 18:14

  Expected Not Always Equal

• 18:45

  Phenotypic Ratios

• 19:16

  Null Hypothesis Phrasing

• 19:46

  Degrees of Freedom

• 20:17

  Chi-Square Table

• 20:48

  Critical Values

• 21:19

  P-Value Selection

• 21:50

  Degrees of Freedom Calculation

• 22:21

  Critical Value Example

• 22:52

  Rejecting Null

• 23:22

  Remembering Rejection

• 23:54

  Mathematical Interpretation

• 24:55

  Degrees of Freedom Confirmation

• 25:27

  Accepting vs Rejecting

• 25:58

  Genetics Problem Setup

• 26:30

  Predicting Exam Questions

• 27:03

  Genetics Example Data

• 27:36

  Total Observed

• 28:08

  Punnett Square

• 28:39

  Genotypic Ratios

• 29:10

  Phenotypic Ratios

• 29:40

  Expected Values Calculation

• 30:12

  Proportion Setup

• 30:43

  Fixing Errors

• 31:15

  Green Expected

• 31:45

  Checking Work

• 32:16

  Math Calculations

• 32:52

  Group Results

• 33:24

  Critical Value Comparison

• 33:56

  Rounding Advice

• 34:27

  Micro vs Macro Evolution

• 34:58

  Cell Communication Overview

• 35:32

  Slide Access Instructions