Some DNA sequences in our cells have high frequencies of methylated cytosines (hypermethylation); some others have a low frequency of methylated cytosines (hypomethylation). Which of the two methylation states best describes the kind of sequences listed below? 

 I. Satellite DNA in pericentromeric heterochromatin

II. Promoters 

III. Dispersed transposon repeats

IV. CpG islands 

V. Enhancers

#Question id: 3359

#Unit 9. Evolution & Diversity of Life Forms

Amount of p allele is 100, amount of q allele is 50 at locus in population at time, after forward mutation their amount will change as following, p become 70 and q become 80. What is amount of change in frequency of q allele?

#Question id: 3360

#Unit 9. Evolution & Diversity of Life Forms

Which of the following does not alter hardy Weinberg equability?

#Question id: 3361

#Unit 9. Evolution & Diversity of Life Forms

In a population 16% individual affected with autosomal recessive diseased. how many are expected to be normal phenotype if population size is 250 ?

#Question id: 3362

#Unit 9. Evolution & Diversity of Life Forms

The Hardy-Wienberg principle comes from considering what happens when Medelian genes act on population. The model predicts that there will be no change in allele frequencies when

#Question id: 3363

#Unit 9. Evolution & Diversity of Life Forms

An autosomal recessive condition affects 1 newborn in 100 in a random mating population without any disruptive acting force. What is the approximate expected frequency of carriers in this population?

#Question id: 3364

#Unit 9. Evolution & Diversity of Life Forms

Which of the following equations represents the corresponding equilibrium for a locus with three alleles p, q and r of diploid individuals? (P, Q and R represent the frequencies of p, q and r, respectively)