A train 220 m long is running with a speed of 59 kmph. In what time will it pass a man who is running at 7 kmph in the direction opposite to that in which the train is going?

#Question id: 3336

#Unit 9. Evolution & Diversity of Life Forms

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?

#Question id: 3337

#Unit 9. Evolution & Diversity of Life Forms

Small populations are threatened by a least loss of genetic variability is due to

#Question id: 3338

#Unit 9. Evolution & Diversity of Life Forms

If the expected frequency of heterozygotes in a population (based on the Hardy–Weinberg law) is 0.4, but the observed frequency is 0.2, what is the inbreeding coefficient?

#Question id: 3339

#Unit 9. Evolution & Diversity of Life Forms

In a plant species, flower color locus either homozygous or heterozygous with genotype RR-red, Rr- pink and rr- white. The Proportional of pink flower in generation 0 is .50.  What is the level of remaining pink flower in a third generation of repeated selfing? 

#Question id: 3340

#Unit 9. Evolution & Diversity of Life Forms

Which of the following statements is NOT correct regarding effect of genetic drift?

#Question id: 3341

#Unit 9. Evolution & Diversity of Life Forms

In a given population of 400 individuals, 64 percent of population is caused  cancer due to completely dominat allele B. Assuming the population is in Hardy- Weinberg equilibrium, which of the following is the expected proportion of individuals who are not expected to develop the cancer?