Suppose that the frequency of a recessive allele is found to be 0.30. When the same population is sampled five years later, the frequency of the recessive allele is found to be 0.20. Do these findings indicate that the Hardy-Weinberg principle is false

Human Anatomy & Physiology (11th Edition)
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ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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1.) Suppose that the frequency of a recessive allele is found to be 0.30. When the same population is sampled five years later, the frequency of the recessive allele is found to be 0.20. Do these findings indicate that the Hardy-Weinberg principle is false? Justify your response. 2.) Cystic fibrosis is an inherited recessive disorder that causes especially thick mucus to build up in the lungs and digestive tract. The mucus makes it difficult to clear micro-organisms from the airways, so people with cystic fibrosis are prone to dangerous respiratory infections. Among Caucasians, about one in every 3000 newborns is affected by this condition. Determine the frequency of the cystic fibrosis allele among Caucasians. What proportion of this population would you expect to be heterozygous carriers of the cystic fibrosis allele? Express your answers as decimals.
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