TLS Online TPP Program

#Question id: 4334


Which of the following is not true of RNA processing?

#Section 3: Genetics, Cellular and Molecular Biology
  1. Exons are cut out before mRNA leaves the nucleus.

  2. Nucleotides may be added at both ends of the RNA.

  3. Ribozymes may function in RNA splicing.

  4. RNA splicing can be catalyzed by spliceosomes.

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TLS Online TPP Program

#Question id: 3331

#Section 3: Genetics, Cellular and Molecular Biology

Which one of the following statements is INCORRECT?

TLS Online TPP Program

#Question id: 3332

#Section 3: Genetics, Cellular and Molecular Biology

The frequencies of alleles 'H' and 'h' in a population at Hardy- Weinberg equilibrium are 0.6 and 0.4, respectively. In a random sample of 1000 individuals taken from the population, how many are expected individuals carry H allele?

TLS Online TPP Program

#Question id: 3333

#Section 3: Genetics, Cellular and Molecular Biology

The flipper of whale and the wings of bats represent a case of

TLS Online TPP Program

#Question id: 3334

#Section 3: Genetics, Cellular and Molecular Biology

Red hair is a dominant trait in human. In a randomly mating population in Hardy-Weinberg equilibrium approximately 91% of individuals are red- haired. What is the frequency of the recessive allele?

TLS Online TPP Program

#Question id: 3335

#Section 3: Genetics, Cellular and Molecular Biology

Consider hypothetical populations that have arisen from the mixing of migrants from different sources: f(AA)- 0.30   f(Aa)- 0.0     f(aa)- 0.70 After one generation of random mating within population, what will be genotypic frequencies?

TLS Online TPP Program

#Question id: 3336

#Section 3: Genetics, Cellular and Molecular Biology

There are 4 alleles at a given locus in a diploid population and all alleles are equal abundant. What is the proportion of all homozygotes in the population?