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5 Written questions

5 Matching questions

  1. Reliablity
  2. genetic correlation
  3. darwins two main points were
  4. sampling error
  5. overtime do species develop more complex traits due to evolution
  1. a a random change in allele frequency where one allele becomes more common than another
  2. b that which when put to the test turns out to be true
  3. c a genetic constraint it is the connection of one allele with multiple traits
  4. d Organisms are descended from 1 or a few common ancestors, Natural selection is the mechanism for this descent.
  5. e no because complex traits are routinely lost and simplified over time as well as more complex ones created.

5 Multiple choice questions

  1. traits that are modified from an ancestral trait, and that are found in descendant species.
  2. traits that do not increase fitness but are present because they were in the ancestrial population or are for both genders.
  3. insertion of one or more bases A one base insertion result in the other bases to shift and make their codons code differently for amino acids. Sometime coding for a stop codon preventing the rest of the sequence from being read.
  4. large cliff swallows survived because they had more fat stores in a cold snap so the large allele became dominant for survival. might not be fixed though
  5. the use of two latin names to refer to a species

5 True/False questions

  1. Fitness trade-offa change in allele frequencies occurring due to genetic drift when a new population is established from a small sample of the original population called a founder event

          

  2. cells contain what four moliculesSimilarity in embryonic traits

          

  3. Directional selectionan average difference between the survival/ reproduction of individuals with certain phenotypes relative to individuals with other phenotypes. only mechanism that can produce adaptation

          

  4. population thinkingthe study of allele frequencies of populations and how they change over time. It is based on mendelian genetics.

          

  5. what does directional selection do to genetic variationit decreases it

          

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