Genetics Lab
2
Name: Date: Period: Day: Genetics Lab Objective: In this lab, you’ll explore how greatly traits can vary in a group of people—your classmates. DATA TABLE Total Number of Students Surveyed: . Trait 1 Number Trait 2 Number A Free ear lobes (E) Attached ear lobes (e) B Hair on 2 nd knuckle (K) No hair on 2 nd knuckle (k) C Roll tongue (R) Cannot roll tongue (r) D Curly hair (H) Straight hair (h) E Straight pinky finger (F) Crooked pinky finger (f) F Can taste PTC (T) Cannot taste PTC (t) *Note* This activity is to help you better understand genetics and Punnett Squares. Human genetic traits are much more complex than this. In this activity, Trait 1 are all considered Dominant and Trait 2 are all considered Recessive. Read page 446 in your science book. After reading, create Punnett squares for each of these traits. Circle the box that could match you. P = Parent Ear lobes: P = EE P=ee Hair on 2 nd knuckle: P=KK P=kk Roll tongue: P = RR P=ww Curly Hair: P=HH P=hh
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Transcript of Genetics Lab
Name: Date: Period: Day:
Genetics Lab
Objective: In this lab, you’ll explore how greatly traits can vary in a group of people—your classmates.
DATA TABLETotal Number of Students Surveyed: .
Trait 1 Number Trait 2 NumberA Free ear lobes (E) Attached ear lobes (e)B Hair on 2nd knuckle (K) No hair on 2nd knuckle (k)C Roll tongue (R) Cannot roll tongue (r)D Curly hair (H) Straight hair (h)E Straight pinky finger (F) Crooked pinky finger (f)F Can taste PTC (T) Cannot taste PTC (t)*Note* This activity is to help you better understand genetics and Punnett Squares. Human genetic traits are much more complex than this. In this activity, Trait 1 are all considered Dominant and Trait 2 are all considered Recessive.
Read page 446 in your science book. After reading, create Punnett squares for each of these traits. Circle the box that could match you. P = Parent
Ear lobes: P = EE P=ee Hair on 2nd knuckle: P=KK P=kk
Roll tongue: P = RR P=ww Curly Hair: P=HH P=hh
Pinky finger: P = FF P=ff Taste PTC: P=TT P=tt
