Assume that the trihybrid cross AA BB RR X aa bb rr is made in a plant species in. What proportion of F2 progeny would be expected to be homozygous for all three genes when independently assort?

#Question id: 3348

#Unit 9. Evolution & Diversity of Life Forms

What is value of inbreeding coefficient above pedigree?

#Question id: 3349

#Unit 9. Evolution & Diversity of Life Forms

Which of these evolutionary agents is most consistent at causing populations to become better suited to their environments over the course of generations?

#Question id: 3350

#Unit 9. Evolution & Diversity of Life Forms

In a given population, 128 out of every 400 people has a carrier for recessive allele b that caused cancer in homozygous condition,  Assuming the population is in Hardy- Weinberg equilibrium, which of the following is the expected frequency of allele B and b in population respectively?

#Question id: 3351

#Unit 9. Evolution & Diversity of Life Forms

In pre-industrial period in England, most peppered moths had light coloration. During industrial revolution, many lichens died out and trees became blackened by soot from factories and interestingly, dark colored moths were predominantly seen. Which of the following observation is incorrect about above selection?

#Question id: 3352

#Unit 9. Evolution & Diversity of Life Forms

The kind of natural selection in A and B are

#Question id: 3353

#Unit 9. Evolution & Diversity of Life Forms