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Given that genetic drift is a random and non-directional mechanism of evolution that dramatically changes the gene or allele frequency in every population, the probability that allele k will drift to a frequency of 1.0 in the future is 0.5.
What is probability?
The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true.
An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty.
The likelihood that an event will occur increases with its probability. A straightforward illustration is tossing a fair (impartial) coin.
The chance of both outcomes ("heads" and "tails") is equal because the coin is fair, "heads" is more likely than "tails," there are no other conceivable outcomes, and the likelihood of either outcome is half .
According to our question-
The likelihood that allele k will drift to a frequency of 1.0 in the future is 0.5, given that genetic drift is a random and non-directional method of evolution that drastically modifies the gene or allele frequency in every population.
As a random and non-directional method of evolution, genetic drift cannot be anticipated to produce a certain result. There is a chance that it will fix the allele k and increase its frequency to 1.0 while also changing the frequencies of other alleles and eradicating the allele k from the population. It is a method that is reliant on the phenomenon of chance.
Hence, genetic drift is a random and non-directional mechanism of evolution that dramatically changes the gene or allele frequency in every population, the probability that allele k will drift to a frequency of 1.0 in the future is 0.5.
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