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TLS Online TPP Program

#Question id: 10619

Which of the following is incorrect?

#Section 2: Evolution
  1. age-specific rates of survival and fecundity remain unchanged; the population eventually assumes a stable age distribution
  2. Type III survivorship curve is the result of a high initial survival rate, which then falls off abruptly with age as the age-specific mortality rate increases
  3. The natural enemies hypothesis suggests that natural enemies may reduce densities of the strongest prey competitors
  4. There is indirect proportional of relationship between average plant weight and density in populations, referred to as a self-thinning curve
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TLS Online TPP Program

#Question id: 3268

#Section 2: Evolution

A population of insects is in Hardy-Weinberg equilibrium for a gene with alleles A = orange and a = yellow eyes. There are 91% orange and 9% yellow individuals in the population. If the fitness of the yellow phenotype suddenly drops to zero, what will be the allele frequency in the next generation?
TLS Online TPP Program

#Question id: 4721

#Section 2: Evolution

PKU, results from a recessive allele; persons homozygous for this allele, if untreated, exhibit mental retardation, blue eyes, and light skin color. This character categorized as
TLS Online TPP Program

#Question id: 3269

#Section 2: Evolution

Two plant species live in the same biome but on different continents. Although the two species are not at all closely related, they may appear quite similar as a result of
TLS Online TPP Program

#Question id: 4723

#Section 2: Evolution

The most common cause of the pleiotropic effect of gene is due to
TLS Online TPP Program

#Question id: 3270

#Section 2: Evolution

Heterozygote advantage should be most closely linked to which of the following?
TLS Online TPP Program

#Question id: 4724

#Section 2: Evolution

Which of the following are true about crossing over ?