A) \[16%~\]
B) \[8%\]
C) \[4%\]
D) \[2%\]
Correct Answer: B
Solution :
Frequency of individuals having silky fur \[\left( {{q}^{2}} \right)=0.16\] |
Frequency of allele for silky fur \[(q)=\sqrt{0.16}=0.4\] Frequency of allele for dominant allele (\[p\]) =\[~1-0.4=0.6\] |
Frequency of individuals having dominant allele \[\left( {{p}^{2}} \right)=0.36\] |
Number of individuals with dominant alleles in a population of 1000 cats =360 |
Frequency of individuals with heterozygous individuals \[\left( 2pq \right)=2\times 0.4\times 0.6=0.48\] |
Number of individuals with heterozygous individuals in a population of 1000 cats =480 |
Total number of individuals with dominant allele \[=360+360+480=1200\] |
Total number of individuals with recessive allele = 480 |
Frequency of individuals with recessive\[=\frac{480}{1680}=0.285\] |
Frequency of individuals with recessive alleles \[=0.285\times 0.285=0.0812\approx 8%\] |
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