Genetics, inheritance and evolution

Edit Answers
1234567891011121314
Across
  1. 3. A type of variation that is easy to put into categories/ distinct groups
  2. 6. A section of DNA that codes for a particular characteristic
  3. 8. A version of a gene
  4. 12. Where organisms with adaptations that help them survive are able to reproduce and pass on their genes.
  5. 13. A genotype with different alleles
  6. 14. One of the big pieces of evidence to support the theory of evolution
Down
  1. 1. A genotype with two of the same alleles
  2. 2. The allele that over-rides other alleles
  3. 4. A type of variation that is difficult to put into distinct groups - it is easier to put the differences into a line
  4. 5. The actual characteristic that is shown
  5. 7. Where part of the DNA code is changed potentially leading to changes in the proteins genes code for
  6. 9. The process by which different kinds of living organism are believed to have developed from earlier forms during the history of the earth
  7. 10. Two of these alleles are required to be expressed in the phenotype
  8. 11. The allele code eg Tt or CC.