Genetics

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Across
  1. 3. Discrete version of the same gene
  2. 4. genetic information ,found inside the cell nucleus
  3. 6. three nucleotides on RNA that code for a single amino acid
  4. 9. Cell duplicates it's DNA, Complementary strands
  5. 11. Two alleles that are the same for a trait
  6. 12. Trait that always shows. Can hide a recessive trait.
  7. 13. When homologous chromosomes fail to separate during meiosis, this leads to genetic disorders
  8. 18. a pair of chromosomes, one from each parent, which carry genes for the same trait
Down
  1. 1. DNA copied to complementary RNA strand
  2. 2. Two different alleles for a trait
  3. 5. makes up DNA and RNA, backbone (phosphate and sugar); nitrogen base
  4. 6. Homologous chromosomes exchange portions of their chromatins during meiosis
  5. 7. The genes of an organism for one specific trait, always expressed using 2 letters
  6. 8. process of reduction division in which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell
  7. 10. RNA codons are decoded into amino acids, using a codon chart
  8. 14. refers to a cell that contains both sets of homologous chromosomes
  9. 15. The physical appearance of a trait in an organism, what it looks like
  10. 16. refers to a cell that contains only a single set of genes
  11. 17. Trait that can be hidden.