Genetics

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Across
  1. 4. These alleles can remain invisible in the phenotype
  2. 5. Humans have 23 pairs of these
  3. 8. Used to work out genetic crosses
  4. 9. The type of division that occurs in somatic cells
  5. 10. A section of DNA that codes for a particular trait
  6. 11. Normal number of chromosomes
  7. 14. Most cells are this type
  8. 16. Where alleles are the same
  9. 17. Egg and Sperm Cells
Down
  1. 1. Produces four non identical daughter cells
  2. 2. Different forms of a gene
  3. 3. Where alleles are different
  4. 6. Half the normal number of chromosomes
  5. 7. Also known as 'Crossing over'
  6. 9. The Father of Genetics
  7. 12. Deoxyribonucleic Acid
  8. 13. First stage of Mitosis
  9. 15. These types of alleles are expressed in the phenotype