Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 6308
TLS Online TPP Program

#Question id: 8692

Which of the following statements is accurate with regard to a phylogeny, as represented by a phylogenetic tree?

#Unit 9. Evolution & Diversity of Life Forms
  1. Descendant groups (branches) from the same node likely share many derived characters.
  2. A monophyletic group can be properly based on convergent features.
  3. The ancestral group often has all the derived characters of the descendant species.
  4. Shared ancestral characters are excellent traits to use in developing a phylogeny.
More Questions
TLS Online TPP Program

#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?
TLS Online TPP Program

#Question id: 3337

#Unit 9. Evolution & Diversity of Life Forms

Small populations are threatened by a least loss of genetic variability is due to
TLS Online TPP Program

#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?
TLS Online TPP Program

#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? 
TLS Online TPP Program

#Question id: 3340

#Unit 9. Evolution & Diversity of Life Forms

Which of the following statements is NOT correct regarding effect of genetic drift?
TLS Online TPP Program

#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?