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5 Written questions

5 Matching questions

  1. What are the differences between DNA and RNA
  2. disruptive selection
  3. sympatric speciation
  4. allele
  5. genotype
  1. a the genetic makeup of a trait
  2. b a hypothesis that speciation can result from selective pressures favoring different phenotypes within a population without geographic isolation as a factor
  3. c DNA is double stranded while RNA is single stranded, DNA has only a nucleus but RNA can have a nucleus or a cytoplasm, the main ingredient in DNA is Thymine while in RNA it's Uracil.
  4. d driving force behind sympatric speciation extreme values for a trait are favored over intermediate values. E.g.: large nose rather than medium sized nose
  5. e one of two or more alternative forms of a gene

5 Multiple choice questions

  1. speciation that occurs when two or more populations of a single species are geographically isolated from each other and then diverge to form two or more new species
  2. refers to cells that have pairs of homologous chromosomes, where one chromosome of each pair is inherited from each parent. All primates are diploid
  3. genes that influence multiple traits
  4. the result of competition between two species that causes the members of different species to become morphologically or behaviorally more different from each other
  5. the process of division of normal body cells through which new diploid cells are created

5 True/False questions

  1. adaptive radiationa FEATURE of an organism CREATED by the process of natural selection.

          

  2. founder effectoccurs when a new colony is started by a few peope from the original population. Not much diversity, usually mutations.

          

  3. directional selectiondriving force behind sympatric speciation extreme values for a trait are favored over intermediate values. E.g.: large nose rather than medium sized nose

          

  4. genes are carried onchromosomes

          

  5. genetic driftthe transfer of alleles of genes from one population to another

          

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