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To suggest rule for inheritance of earlo...

To suggest rule for inheritance of earlobe type. Procedure /Method :
`rarr` The lowest part of the ear pinna called the earlobe, is closely attached to the side of the head, i.e., attached or not, i.e., free.
`rarr` Observe the earlobes of all the students in the class. Prepare a list of students. Enter the data about the earlobes whether they are free or attached.
`rarr` Find out about the earlobes of the parents of each student in the class.
`rarr` Correlate earlobe type of each student with that of their parents.
`rarr` In the column write F for free earlobe and A for attached earlobe.


Answer the following questions on the basis of the collected data:
From your collected data state which expression is dominant and which one is recessive for earlobe.

Text Solution

Verified by Experts

Free earlobe is dominant and attached earlobe is recessive expression.
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To suggest rule for inheritance of earlobe type. Procedure /Method : rarr The lowest part of the ear pinna called the earlobe, is closely attached to the side of the head, i.e., attached or not, i.e., free. rarr Observe the earlobes of all the students in the class. Prepare a list of students. Enter the data about the earlobes whether they are free or attached. rarr Find out about the earlobes of the parents of each student in the class. rarr Correlate earlobe type of each student with that of their parents. rarr In the column write F for free earlobe and A for attached earlobe. Answer the following questions on the basis of the collected data: Which expression of earlobe is observed more in number in your class?

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