Skience Vocabulary Crossword

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Across
  1. 2. a mature sexual reproductive cell, either egg cell or sperm cell, that unites with another cell to form a new organism
  2. 5. an organism's appearance or other detectable characteristic
  3. 8. one of the alternative forms of a gene
  4. 9. a type of grid used to show the gametes of each parent and their possible offspring
  5. 10. the offspring of an animal of different breeds
  6. 12. the entire genetic makeup of an organism
Down
  1. 1. in genetics, describes an allele that is expressed only when no dominant allele is present in an individual
  2. 3. having identical pairs of genes
  3. 4. describes the allele that is fully expressed when carried by only one of a pair of homologous chromosomes
  4. 6. having dissimilar pairs of genes
  5. 7. genes that have been the same over and over in generations
  6. 11. studied heredity in pea plants
  7. 12. a set of instructions