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3.03 Mendel Essay

Decent Essays

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 | Earlobes | Free Earlobes | 12 | Attached Earlobes | 8 | Hair on knuckles | Hair present between second and third …show more content…

straight hair line) | Widow's peak | 25% | Straight hair line | 75% | Hair texture | Curly hair (count wavy hair as curly) | 85% | Straight hair | 15% | Chin shape (no cleft chin vs. cleft chin) | Cleft chin | 10% | No cleft chin | 90% |
Analysis and Conclusion:
Write a conclusion paragraph analyzing your results. In your conclusion, be sure to address the following questions: * Identify the trait that you believe to be dominant for each of the features surveyed. Explain your reasoning.
Based on my survey I feel that free earlobes, no hair present between second and third knuckles, straight hair line, curly hair and no cleft chin are the most dominant trait because they had the highest percentage. * What recessive features do you exhibit? Do you have any relatives who exhibit those same features?
I exhibit a straight hair line from my mom. My uncles all have straight hair lines. * In the family you surveyed, what features did the offspring share with one or both parents? Were there any features that the offspring exhibited that were not exhibited by either parent?
The offspring shared free earlobes and hair present between second and third knuckles from his father. This person had a straight hair line, straight hair and no cleft chin which wasn’t inherited from either of his parents. * How is it possible for an offspring to exhibit a recessive trait if neither parent exhibited that

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