Entries by Hannah Wangui

population

A recessive allele causes phenylketonuria (PKU) when homozygote. If the frequency of the recessive allele is 0.05 in the population, what is the heterozygote frequency in the population? (Assume that people mate randomly with respect to PKU and that the mutant allele does not have any effects on fitness.)   Looking for a Similar Assignment? […]

 

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population of birds

You have been tracking a population of birds in the jungle and over several generations observed the following genotype frequencies for a given locus, B : 12% BB, 28% Bb, and 60% bb. The climate changed abruptly and resulted in the death of all homozygous recessive birds. In the next generation, the recessive homozygotes died shortly […]

 

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In a three-point cross, out of 500 total progeny, there were 13 double crossover recombinants observed.

In a three-point cross, out of 500 total progeny, there were 13 double crossover recombinants observed. Interestingly, based on the map distances between the loci, 40 double crossover recombinants had been expected on the basis of no interference. The interference is: (Hint: see pages in the textbook for detailed information about interference) 0.325 0.106 0.675 0.2 […]

 

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