Under the above conditions of reproductive discrimination against those with attached earlobes, if the population in this next generation is still 500,000 people, then the new genotypic frequencies will be:               Homozygous dominants, unattached ear lobes: 0.34             Heterozygotes, unattached ear lobes: 0.48             Homozygous recessives, attached ear lobes: 0.18       What will be the allele frequencies for L and l in this generation?

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Under the above conditions of reproductive discrimination against those with attached earlobes, if the population in this next generation is still 500,000 people, then the new genotypic frequencies will be:

 

            Homozygous dominants, unattached ear lobes: 0.34

            Heterozygotes, unattached ear lobes: 0.48

            Homozygous recessives, attached ear lobes: 0.18

 

 

 

What will be the allele frequencies for L and l in this generation?

 

 

Did the frequency of the recessive allele (l), as compared to its frequency calculated in Part B, increase or decrease because of its deleterious effects on fitness?

 

Does the possession of the recessive allele kill those who possess it?

 

If those with attached ear lobes continue to be only half as successful in securing mates in each successive generation, what will happen to the frequency of the recessive allele in this population?

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