Additional Population Genetics Problems the 5,000 have A. In a population of 25,

Question

Additional Population Genetics Problems the 5,000 have A. In a population of 25,000 fruit flies, 20,.000 have the dominant trait of long wings, of recessive trait Using Hardy-Weinberg equations, calculate the frequencies of 1. the recessive trait 2. the recessive gene 3. the dominant gene 4. the homozygous dominant individuals 5. the heterozygous individuals Show work: same population of fruit fles, 10 generations later the frequenoy of homorned B. In the same individuals Show work: ardy-Weinberg assumptions, explain what has happened. was 0.01. Using H C In African - Americans, sickle cell African- Americans have sickle cell anemia can be considered as a recessive trait. If 1 out of 500 anemia, what percent would be estimated to be carriers? frequency of heterozygous individual frequency of homozygous frequency of dominant individuals in population individuals frequency of the dominant gene allele in the population frequency of the recessive gene allele in the population Show work: q: What is the frequency of heterozygous (carriers) in the population? What is the frequency of the recessive (sickle cell) gene in the population? Biology 104 Unit IV Lab 15

Explanation / Answer

Frequency of recessive trait = 5000

frequecny of the recessive allele f(aa) = 5000/25000 = 1/5= 0.2

frequency of dominant = 20,000/25000= 0.8

heterozygous dominant = 0.8*0.2 =0.16*20000=3200

homozygous dominant = 16800

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