TLS Online TPP Program

#Question id: 3464


Adult male humans generally have deeper voices than do adult female humans, which is the direct result of higher levels of testosterone causing growth of the larynx. If the fossil records ofapes and humans alike show a trend toward decreasing larynx size in adult females and increasing larynx size in adult males, then

#Section 2: Evolution
  1. sexual dimorphism was evolving over time in these species

  2. intrasexual selection seems to have occurred in both species

  3. stabilizing selection was occurring in these species concerning larynx size

  4. selection was acting more directly upon genotype than upon phenotype

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TLS Online TPP Program

#Question id: 3514

#Section 2: Evolution

Which of the following are not conclude of that monohybrid cross?

TLS Online TPP Program

#Question id: 3259

#Section 2: Evolution

Different type of evolution leads to group of taxon in following three manners

A- group of taxon whose member have descended from common ancestor

B- when two lineages convergently  evolve similar character states form  groups that are recognized by pheneticists

c. taxon that include most recent ancestor but not all of its descendent

TLS Online TPP Program

#Question id: 3260

#Section 2: Evolution

Consider a diploid population at Hardy-Weinberg equilibrium. For a locus with two alleles, the frequency of the A1A1 genotype is 0.04) The frequency of A2 allele is

TLS Online TPP Program

#Question id: 3261

#Section 2: Evolution

A parent population (P) is change into daughter populations (Q) which grow in habitats. After 1000 generations, the equilibrium frequency distribution of of the daughter populations is shown in the figure below. For reference, the vertical line represents the mean of the parent population. Which type of natural selection?

TLS Online TPP Program

#Question id: 3522

#Section 2: Evolution

A haplo-diplod insect, Male are haploid but female are diploid, A female who is heterozygous for recessive red eye color mutation mate with red eye male. What will be percent of wild phenotype color eye among their female?

TLS Online TPP Program

#Question id: 3263

#Section 2: Evolution

From an evolutionary point of view, plant tendrils derived from leaves and those derived from stems are examples of