l. Clelate the genotypc and allelic trequeneles 1or lI population. b. What would

Question

l. Clelate the genotypc and allelic trequeneles 1or lI population. b. What would the expected numbers of genotypes be if the population were in Hardy-Weinberg equilibrium? 24. Full color (D) in domestic cats is dominant over dilute color (d). Of 325 cats observed, 194 have full color and 131 have dilute color. a. If this population of cats is in Hardy-Weinberg equilibrium for the dilution locus, what is the frequency of the dilute (d) allele? b. How many of the 194 cats with full color are likely to be heterozygous? *25. Tay-Sachs disease is an autosomal recessive disorder. Among Ashkenazi Jews, the frequency of Tay-Sachs disease is 1 in 3600. If the Ashkenazi population is mating randomly with respect to the Tay-Sachs gene, what proportion of the population consists of TCOLS carriers of the Tay och1-1

Explanation / Answer

A) f(dilute) =f(dd) = q2= 131/325 = 0.403;

q= 0.635

B) If q = f(d) =0.635,

then p =1– q = 0.365

f(Dd) =2pq =2(0.365)(0.635) = 0.464;

0.464(325) = 151 heterozygous cats

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