Finger and Ear Lobes
For this assignment, you will survey at least 20 people to identify whether they exhibit dominant or recessive traits for a given list of features.
You will write up a short report including the following sections: data, observations, calculations, and analysis and conclusion. Be sure to refer to the rubric before you submit this assignment for grading.
Instructions:
Data:
Survey at least 20 people to find out what traits they have for each of the features below. Tally the numbers for each trait and record those totals in each column.
When completing the survey, be sure to include yourself as one of the individuals surveyed. Also include at least one set of parents and offspring in the individuals you survey. Document the features of each member of the family you surveyed within the data table, but also make a special note of these features in the observation section of your report. This information will be important when writing your conclusion.
Feature | Trait | Total | Trait | Total | Ear Lobes | Free ear lobes | | Attached ear lobes | | Hair on knuckles | Hair present between 2nd and 3rd knuckle of fingers | | No hair present between 2nd and 3rd knuckle of fingers | | Hair Line(widow’s peak vs. straight hair line) | Widow’s peak | | Straight hair line | | Hair texture | Curly hair (count wavy hair as curly) | | Straight hair | | Chin shape(no cleft chin vs. cleft chin) | Cleft chin | | No cleft chin | |
Observations:
Record the traits of each member of the family (parents and offspring) that you surveyed. Add more rows to the table for additional offspring as needed. Family Member | Ear Lobes | Hair on Knuckles | Hair Line | Hair Texture | Chin Shape | Father | | | | | | Mother | | | | | | Offspring 1 | | | | | |
Calculations:
Calculate the percentages for each trait in your total sample and list those percentages in this section of your assignment.
Example calculation: (12 people with
You will write up a short report including the following sections: data, observations, calculations, and analysis and conclusion. Be sure to refer to the rubric before you submit this assignment for grading.
Instructions:
Data:
Survey at least 20 people to find out what traits they have for each of the features below. Tally the numbers for each trait and record those totals in each column.
When completing the survey, be sure to include yourself as one of the individuals surveyed. Also include at least one set of parents and offspring in the individuals you survey. Document the features of each member of the family you surveyed within the data table, but also make a special note of these features in the observation section of your report. This information will be important when writing your conclusion.
Feature | Trait | Total | Trait | Total | Ear Lobes | Free ear lobes | | Attached ear lobes | | Hair on knuckles | Hair present between 2nd and 3rd knuckle of fingers | | No hair present between 2nd and 3rd knuckle of fingers | | Hair Line(widow’s peak vs. straight hair line) | Widow’s peak | | Straight hair line | | Hair texture | Curly hair (count wavy hair as curly) | | Straight hair | | Chin shape(no cleft chin vs. cleft chin) | Cleft chin | | No cleft chin | |
Observations:
Record the traits of each member of the family (parents and offspring) that you surveyed. Add more rows to the table for additional offspring as needed. Family Member | Ear Lobes | Hair on Knuckles | Hair Line | Hair Texture | Chin Shape | Father | | | | | | Mother | | | | | | Offspring 1 | | | | | |
Calculations:
Calculate the percentages for each trait in your total sample and list those percentages in this section of your assignment.
Example calculation: (12 people with