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5 Written questions

5 Matching questions

  1. What is the reason for codominance?
  2. Heterozygous
  3. Principle of dominance
  4. Genetics
  5. Why did Thomas Hunt Morgan use fruit flies for his model organism?
  1. a states that some alleles are dominant and others are recessive
  2. b The phenotypes for both alleles are equally expressed in the offspring.
  3. c having two different alleles for a trait
  4. d The scientific study of heredity
  5. e They produce hundreds of offspring.

5 Multiple choice questions

  1. the sister chromatids separate and move toward opposite ends of the cell
  2. a fertilized egg
  3. The trait is visible whenever a dominant allele is present in the genotype such as TT or Tt(both tall)
  4. trait controlled by two or more genes
  5. the genetic makeup of an organism

5 True/False questions

  1. How many alleles for a particular trait do pea plants inherit from each parent?There is only one allele for a particular trait.


  2. Telophase II and CytokinesisNuclear membranes form. The cell separates into two cells.


  3. What symbol is used to represent a diploid?2N; N represents the single set of chromosomes found in a gamete.


  4. Homologousterm used to refer to chromosomes in which one set comes from the male parent and one set comes from the female parent


  5. Prophase Imeiosis I results in two haploid daugther cells, each with half the number of chromosomes as the original cell