In a population where the ratio of the phenotypes of brown fur to white fur is 1:1, this means that for every brown-furred rabbit, there is one white-furred rabbit.
To find the frequency of the white fur trait, we can use the ratio. If there are equal numbers of brown and white fur rabbits, then:
- Brown fur = 1 part
- White fur = 1 part
This gives us a total of 2 parts (1 part brown + 1 part white).
The frequency of the white fur trait is calculated as:
\[ \text{Frequency of white fur} = \frac{\text{Number of white-furred rabbits}}{\text{Total number of rabbits}} = \frac{1}{2} = 50% \]
Therefore, the frequency of the white fur trait in the rabbit population is 50%.
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