TLS Online TPP Program

#Question id: 12337


Which of the following levels of organization is arranged in the correct sequence from most to least inclusive? 

#Section 1: Ecology
  1. Community, ecosystem, individual, population
  2. Ecosystem, community, population, individual 
  3. Population, ecosystem, individual, community
  4. Individual, population, community, ecosystem
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TLS Online TPP Program

#Question id: 3321

#Section 2: Evolution

When an allele at one locus spreads by natural selection acting on a second locus knows as

TLS Online TPP Program

#Question id: 3324

#Section 2: Evolution

If only 20 males and 20 female grizzlies exist today, but only 10 of the males and 6 female breed, what are effective population size?

TLS Online TPP Program

#Question id: 3325

#Section 2: Evolution

The frequency of the dominant red allele (R) in a population of diploid organisms is equal to the frequency of the recessive white allele (r). The frequency of red individuals assuming Hardy-Weinberg equilibrium is (express the frequency using decimal notation, not as a fraction or a percentage)

TLS Online TPP Program

#Question id: 3329

#Section 2: Evolution

The following genotypes of one locus in population are given  - Genotype ( Number)

AA (120)  AB ( 30)  BB  (50) CC  (300)

AC  (400)  BC (100)

Which of the following is the correct frequency of C allele and A allele respectively?

TLS Online TPP Program

#Question id: 3338

#Section 2: Evolution

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

#Section 2: Evolution

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?