Lab Activity Blood Type Pedigree Mystery Answer Key Upd [updated] 🔔

In most classroom blood type pedigree mysteries, the "secret" to the answer key lies in identifying which parent has a recessive Type O (ii) gene or an AB (IAIB) genotype. Since blood typing follows codominance and standard Mendelian genetics, you can solve any version of this lab by following a specific logical flow. 🩸 The Universal Answer Key Logic

Step 1: Start with the RecessivesThe easiest way to begin solving the mystery is to look for individuals with Type O blood. Because Type O is recessive, their genotype must be OO. Write this down immediately. lab activity blood type pedigree mystery answer key upd

Question 1: Construct the pedigree symbol chart. (Square = male, Circle = female, filled = affected/type O? No – fill for trait in question.)

Answer Key: Standard pedigree shows Albert (square, B) and Victoria (circle, A) with three children. Child 2 (Louis, circle? or square? depends on gender) marked Type O. In most classroom blood type pedigree mysteries, the

Rh Factor & Earlobes: Both follow simple Mendelian inheritance. Rh+ ( ) and Free earlobes ( ) are dominant; Rh- ( ) and Attached earlobes ( ) are recessive. 3. Solving the Mystery Rh factor: + is dominant (D); − is