A Student Proposes That Left-Handedness Is a Recessive Trait and Is

question 7

Multiple Choice

A student proposes that left-handedness is a recessive trait and is hidden in much of the human population.A survey of his class of 36 students finds that 9 students are left-handed.Using the Hardy-Weinberg formula,what would be the expected allelic and genotypic frequencies in this theoretical population?

• A)P =.27 q =.09;
• P² =.07,2pq =.048,q²=.00479
• B)P =.5 q =.5;
• P² =.25,2pq =.50,q²=.25
• C)P =.75 q =.25;
• P2 =.56,2pq =.25,q2=.25
• D)They cannot be estimated using these limited data.

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