Lesson 1: Blood and Blood Typing

How can blood be used to solve crimes?

Blood
Blood typing
DNA
Rh

HS-LS3-1: Construct an explanation based on evidence for how the structure of DNA determines the structure of proteins which carry out the essential functions of life through systems of specialized cells.  
HS-LS3-2: Develop and use a model to describe why DNA is inherited from parent to offspring.
HS-LS3-3: Apply concepts of statistics and probability to explain the variation and distribution of expressed traits in a population.
HS-ETS1-3: Evaluate a solution to a complex real-world problem based on prioritized criteria and trade-offs that account for a range of constraints, including cost, safety, reliability, and aesthetics, as well as possible social, cultural, and environmental impacts.  

NA

DOK 1 (Recall): Define, list, identify, describe.
DOK 2 (Skill/Concept): Explain, compare, classify, interpret.

OJ Simpson case

All blood is the same.
DNA is only found in blood.
DNA profiling is always 100% accurate.

Tiered Activities: Provide assignments with varying levels of complexity based on student readiness.  
Choice Boards: Offer students options for demonstrating their understanding.  
Visual Aids and Graphic Organizers: Support visual learners and those needing structured information.
Peer Tutoring/Group Work: Encourage collaborative learning and peer support.
Extension Activities: Challenge advanced students with in-depth research or projects.

Mock crime scene and police report.

Mock crime scene materials

Blood typing kit

Simulated blood