In a population of 271 Dd parrots, predators kill 55. What is the approximate fitness of the genotype?

Fitness of Dd: 20%
Fitness of Dd: 40%
Fitness of Dd: 60%
Fitness of Dd: 80%

s separated by blocks of $2
s with $n$ $2
s in the $n^{\rm{th}}$ block. What
Based on the figure below, what is the value of x? (5x + 15) 01 09 0 11 15 20°