Genetics crossword

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Across
  1. 2. Is the fourth basic structural unit of DNA.
  2. 6. contains DNA and maternal and paternal genes.
  3. 7. A section of DNA coding
Down
  1. 1. 2 of the same pair of chromosomes
  2. 3. each of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome
  3. 4. Nucleus is the part of a cell that contains 23 chromosomes from your mum and 23 from your dad.
  4. 5. DNA stores its information in a four digit code using molecules called hases, A,T,G,C.