Which of the following statements about genes and alleles are true?1. Qualitative traits are each determined by a single gene that has a small number of alleles2. When a gene has 2 alleles, the allele frequency in a population move toward equilibrium values for 0.5 for each allele3. All else being equal, alleles associated with higher reproductive success decrease in frequency4. If the frequency of an allele in a population has changed over generations, then evolution has occured

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13-09-2021
Biology

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Which of the following statements about genes and alleles are true?1. Qualitative traits are each determined by a single gene that has a small number of alleles2. When a gene has 2 alleles, the allele frequency in a population move toward equilibrium values for 0.5 for each allele3. All else being equal, alleles associated with higher reproductive success decrease in frequency4. If the frequency of an allele in a population has changed over generations, then evolution has occured

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batolisis batolisis · Answer 1 · 2021-09-17T12:20:47+02:00

The true statement about genes and alleles is ( 4 ) ; If the frequency of an allele in a population has changed over generations, then evolution has occurred

Genes are made up of two ( 2 ) alleles, The qualitative or quantitative traits of a human being can not be determined by one gene but by a set of genes. also the frequency of alleles contained in a gene, may move differently and not towards the equilibrium values.

Alleles associated with higher reproductive success do not decrease in frequency rather they increase in frequency through natural selection procedures.

Hence we can conclude that If the frequency of an allele in a population has changed over generations, then evolution has occurred.

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