The population of parrots you are studying is becoming popular in the pet trade

Question

The population of parrots you are studying is becoming popular in the pet

trade and are being trapped by poachers. Whistling parrots are the most

desirable and so are being lost from the population in the greatest

numbers. One year after poaching began you find the following numbers

of parrots:

whistlers: 500

squawkers: 3000

both: 4000

What are the genotype and allelic frequencies in your population of

parrots in this year after poaching begins?

c) What is the absolute fitness of each genotype?

d) What is the relative fitness of each genotype?

e) What allelic frequencies would you expect following another year of

poaching? Include your calculation of mean fitness.

Explanation / Answer

Genotypic frequency will be...!!

Whistler - 500/7500 = 0.066..

Squaker - 3000/7500= 0.4..

Both - 4000/7500= 0.533..

Allelic frequency..!!!

Whistler - (2*500)+(4000)/(2*7500)= 0.333..

Squawaker-(2*3000)+(4000)/(2*7500)= 0.666..

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