Cell cycle longest stage of the cell cycle. Chromosome thread-like structures made of DNA. Codon a sequence of three consecutive nucleotides. Chromosomal mutation, relating to or involving chromosomes. Diploid, two complete sets of chromosomes.

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Across
  1. 4. Large marsupial
  2. 5. Likes to chase mice
Down
  1. 1. Has a trunk
  2. 2. Flying mammal
  3. 3. Man's best friend