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5 Written questions

5 Matching questions

  1. trisomy
  2. Darwin conclusion
  3. directional selection
  4. telophase
  5. duchenne muscular dystrophy
  1. a form of natural selection in which the entire curve moves; occurs when individuals at one end of a distribution curve have higher fitness than individuals in the middle or at the other end of the curve
  2. b A genetic condition of having three chromosomes instead of two. The conidtion causes various birth defects
  3. c A human genetic disease caused by a sex-linked recessive allele; characterized by progressive weakening and a loss of muscle tissue.
  4. d fourth and final phase of mitosis, during which the chromosomes begin to disperse into a tangle of dense material, chromosomes uncoil
  5. e populations over time would reflect adaptation of those individuals that survived and reproduced. the power of the environment would influence who survived and who reproduced

5 Multiple choice questions

  1. specific locations of genes along the chromosome
  2. reproduction involving the union or fusion of a male and a female gamete, generates variety in off spring variety is needed to survive variety
  3. genetic drift, gene flow, mutations, sexual selection, natural selection
  4. process by which descendants of ancestral organisms spread into various habitats and accumulate adaptations to diverse ways of life
  5. what Mendel didn't know

5 True/False questions

  1. x chromosomephysical traits of the organism, what an organism looks like as a consequence of its genotype


  2. allelesa part of the cell containing DNA and RNA and responsible for growth and reproduction, the positively charged dense center of an atom


  3. mechanical isolationpopulations live in different habitats and do not meet


  4. metaphasesecond phase of mitosis, during which the chromosomes line up across the center of the cell, spindle fibers move chromosomes to the equator


  5. genetic make upthe gradual changes in gene frequencies in a population due to random events


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