Genetics and Heredity

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Across
  1. 2. one of a pair of genes that occupies the same position on homologous chromosomes
  2. 5. an allele that will not determine the phenotype unless the genotype is homozygous for that allele
  3. 7. a genotype in which both alleles are identical
  4. 8. a section of DNA that carries the code for a protein or RNA molecule
  5. 9. square a tool used to predict the genotype and phenotype of offspring
Down
  1. 1. when two alleles are put together, the two-letter set that represents the alleles an organism possesses for a certain trait
  2. 3. a genotype with two different alleles
  3. 4. the observable expression of an organism’s genes
  4. 6. an allele that will determine phenotype if just one is present in the genotype