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5 Written questions

5 Matching questions

  1. homozygous
  2. genes
  3. true-breeding
  4. sperm and egg
  5. phenotype
  1. a factors that control traits
  2. b will always produce offspring with the same trait as the parent
  3. c sex cells
  4. d an organisms physical appearance
  5. e an organism that has two dominant or recessive alleles is said to be this for that trait

5 Multiple choice questions

  1. if this allele is present its trait will appear in the organism
  2. produces cells with half the normal number of chromosomes
  3. a male human being
  4. an offspring of many generations of organisms that have the same trait
  5. a person's surrounds that can change the effects of a person's genes

5 True/False questions

  1. Wilkins and Franklinused Xray diffraction to create images of the DNA spiral shape


  2. sexual reproductiononly one parent cell is needed for reproduction; usually used in prokaryotic cells (bacteria)


  3. heterozygousan organism has two different alleles for a trait


  4. codominanceif this allele is present its trait will appear in the organism


  5. traitsphysical characteristics that are studied in genetics


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