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04-11-2008, 02:20 PM
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| help biology please?
In humans free earlobes (E) is dominant to attached earlobes (e) and tongue rolling (R) is dominant to non-rolling (r). What are all the possible genotypes of a person with free earlobes who can roll his tongue? What is the genotype of a girl with attached earlobes but cannot roll her tongue? What are all the possible genotypes of a person with free earlobes who cannot roll her tongue?      |
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