Dominant or Recessive Which is more common in a population?

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

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)

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

Dimples Present Absent

Hairline Straight Widow’s Peak

Earlobes Free Attached

Second Toe Length Long Short

Freckles Present Absent

Hitchhiker’s Thumb Absent Present

PTC Taster Taster Non-Taster