TLS Online TPP Program

#Question id: 2378


Ribosomes

#Unit 2. Cellular Organization
  1. are not membrane bound.

  2. are the site of protein synthesis.

  3. may be free floating in the cytoplasm.

  4. all of the above.

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TLS Online TPP Program

#Question id: 3334

#Unit 9. Evolution & Diversity of Life Forms

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

#Unit 9. Evolution & Diversity of Life Forms

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

#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?