Question

2.5 points All of the following statements about genetic drift are correct except... Alleles that have been lost due to drift can be replaced by immigrants who have these alleles and migrate into a population. Alleles are lost at a faster rate in larger populations than in smaller populations. Buri's experiment with fruit flies was a demonstration of genetic drift because, over time, populations produced homozygous individuals with either white (bw/bw) or red (bw75/bw75) eyes due to random sampling of parents in populations of small size. Genetic drift is when evolution arises from random changes in allele frequencies of a population from one generation to the next due to random mating because some genotypes just happen to reproduce more than other genotypes, not because they were \"better,\" but just because they were lucky. With genetic drift, often allele frequencies change at random until an allele frequency either goes to zero (the gene has 'drifted out' of the population) or becomes fixed (i.e., a single allele is 100% of those present, and all others are lost).

          2.5 points
All of the following statements about genetic drift are correct except...
Alleles that have been lost due to drift can be replaced by immigrants who have these alleles and migrate into a population.
Alleles are lost at a faster rate in larger populations than in smaller populations.
Buri's experiment with fruit flies was a demonstration of genetic drift because, over time, populations produced homozygous individuals with either white (bw/bw) or
red (bw75/bw75) eyes due to random sampling of parents in populations of small size.
Genetic drift is when evolution arises from random changes in allele frequencies of a population from one generation to the next due to random mating because some
genotypes just happen to reproduce more than other genotypes, not because they were \"better,\" but just because they were lucky.
With genetic drift, often allele frequencies change at random until an allele frequency either goes to zero (the gene has 'drifted out' of the population) or becomes fixed
(i.e., a single allele is 100% of those present, and all others are lost).

2.5 points
All of the following statements about genetic drift are correct except...
Alleles that have been lost due to drift can be replaced by immigrants who have these alleles and migrate into a population.
Alleles are lost at a faster rate in larger populations than in smaller populations.
Buri's experiment with fruit flies was a demonstration of genetic drift because, over time, populations produced homozygous individuals with either white (bw/bw) or
red (bw75/bw75) eyes due to random sampling of parents in populations of small size.
Genetic drift is when evolution arises from random changes in allele frequencies of a population from one generation to the next due to random mating because some
genotypes just happen to reproduce more than other genotypes, not because they were b̈etter,b̈ut just because they were lucky.
With genetic drift, often allele frequencies change at random until an allele frequency either goes to zero (the gene has 'drifted out' of the population) or becomes fixed
(i.e., a single allele is 100% of those present, and all others are lost).

Added by Shannon R.

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