Genetics/inheritance crossword

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Across
  1. 4. alleles an organism has for a particular characteristic
  2. 5. mitosis stage where the chromatids aline with the equator in the Middle. The spindle also forms in this phase
  3. 9. physical appearance that alleles cause e.g whether ear lobes are free or attached
  4. 10. an allele that is always expressed
  5. 12. allele that is expressed only when there is no dominant allele
  6. 13. neither allele is dominant hence both alleles are expressed
  7. 15. The alleles that are inherited are different for a characteristic
  8. 16. different forms of a gene
  9. 17. the second type of cell division that forms gametes
  10. 19. when two or more genes work together to control a characteristic
  11. 20. type of cell division in which a diploid body cell copies itself, then divides into 2 identical diploid daughter cells
  12. 21. stage in mitosis in which the Non-condensed DNA in Chromosomes duplicates itself
Down
  1. 1. a section of a molecule of DNA which codes for a specific protein
  2. 2. Anagram for the five different stages of mitosis
  3. 3. the name for the process in which a copy of DNA is formed
  4. 6. mitosis stage where the chromatids condense and become visible
  5. 7. matching pairs of chromosomes that aren’t identical that pair up as they carry the same gene
  6. 8. the process that converts the code in mRNA into a protein
  7. 11. mitosis stage where a two new nuclear membranes form and the chromosome splits to form 2 new separate cells
  8. 14. The alleles that are inherited are both the same for a characteristic
  9. 18. mitosis stage where the spindle fibres separate Away from each other and pull the chromatids to the ends of the cell