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Biology, 05.05.2020 00:57 mikeylaaliz5901
A mutation has occurred in an animal population so that the homozygous recessive condition (ff) is a fatal disease for the animal. Affected individuals die soon after birth. The homozygous dominant (FF) and the heterozygous (Ff) individuals live normally. A study of the population over one year found that 4% of the new born individuals died soon after birth. An equal number of males and females died. Assume that all victims were due to the recessive condition.
A. What is the frequency for the recessive allele?
B. What is the frequency for the dominant allele?
C. What is the frequency of the FF genotype?
D. What is the frequency of the Ff genotype?
E. Assume that 100 individuals were born in the animal population. How many of these would probably be carriers (heterozygous) of the allele for the recessive trait?
F. How many of these 100 animals would NOT carry the allele for the recessive trait?
G. Natural selection is operating against which allele?
H. What happened in a single generation to both allele frequencies?
I. If this condition were to continue for several more generations, what would happen to the allele frequencies?
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