My biology crossword

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Across
  1. 3. A test in which all the chromosomes are in order, done to see if there are any chromosomal abnormalities
  2. 4. A dense organelle which contains the genetic information of individuals
  3. 12. Two sets of chromosomes
  4. 13. Holds together the two chromatids
  5. 14. First phase of mitosis/parent cell, chromosomes condense
  6. 15. cells Any cell that does not reproduce
  7. 17. a cell which has a specific purpose
  8. 19. Single-celled organism that does not have a nucleus
  9. 20. A thread like structure carrying genetic information and is found in the nucleus
  10. 22. wall Found only in plants and acts as a protective layer
  11. 24. A type of cell division which ends in four daughter cells with haploid amounts of chromosomes
  12. 26. Cell self-destruction
  13. 27. A haploid male or female cell undergoes sexual reproduction and forms a zygote
Down
  1. 1. Haploid set of chromosomes
  2. 2. acid Contains the four bases
  3. 5. involved in the evolution of spindle fibres in cell division
  4. 6. Something which contains a nucleus and is what all animals, plants, fungi and protists are
  5. 7. fibre Dividing the chromosomes during replication
  6. 8. The final stage of mitosis/chromosomes begin to decondense
  7. 9. Creates proteins which are essential for the cell's fucntion
  8. 10. The cell prepares for mitosis
  9. 11. One cell divides to create two identical daughter cells
  10. 16. Certain patterns of genes on chromosomes which dictate the hereditary characteristics
  11. 18. cells Parental cells which can be passed on to their offspring, eg mutations
  12. 21. Third phase of mitosis/a parent cell into two identical daughter cells
  13. 23. Single set of chromosomes
  14. 25. In plant cells, it aids in cell growth and repair
  15. 27. A unique sequence of nucleotides