1. Dominant or Recessive Which is more common in a population?

2. Go to page R 20 in your ISN Entitle it CER-Which Allele is More Common in a Population

3. CLAIM (What allele is more common in a population?)
EVIDENCE (What data and/or observations support your claim?)
REASONING (A logical conclusion between the claim and your evidence)

4. Trait Dimples Present 6 Absent 21 Hairline Widow’s Peak 7 Straight 20
Earlobes
Free 24
Attached 3
2nd Toe Length
Long 5
Short 22
Freckles
Hitchhiker’s Thumb 16 11
PTC Taster
Taster 19
Non-Taster 8

5. Dimples
Present
Absent

6. Hairline
Straight
Widow’s Peak

7. Earlobes
Free
Attached

8. Second Toe Length
Long
Short

9. Freckles
Present
Absent

10. Hitchhiker’s Thumb
Absent
Present

11. PTC Taster
Taster
Non-Taster