Concept Check #9 - Genetics

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Across
  1. 2. an allele that masks a recessive allele under normal dominance rules
  2. 4. an organism that has two different alleles for a trait
  3. 6. a pair of chromosomes that contain the same genes; one from each parent
  4. 8. when homologous chromosomes line up independently of each other during metaphase I of meiosis I and result in four different haploid gametes
  5. 10. a portion of DNA that codes for a trait
  6. 11. a version of a trait
  7. 12. the combination of alleles an organism has for a trait
  8. 13. a pattern of inheritance in which both alleles blend together to create an intermediate
Down
  1. 1. an organism that has two of the same allele for a trait
  2. 3. a pattern of inheritance in which both alleles are expressed equally and are shown in the heterozygous phenotype
  3. 5. the physical expression of an organism's genotype
  4. 7. a cross between two organisms who each have two alleles for the same trait
  5. 9. an allele that is masked by a dominant allele under normal dominance rules
  6. 10. the Austrian monk who discovered patterns of inheritance in his pea plants