Biology Mrs Hekuer

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Across
  1. 2. Small changes within a species
  2. 6. When one allele is not completely dominant over another
  3. 7. Consists of all genes (and their alleles) in a population
  4. 10. When both alleles are dominant
  5. 12. The number of times an Allele occurs in a population
  6. 13. A chart that shows the relationships in a family
  7. 15. dna that controls traits
  8. 16. The genetic make up of an individual
  9. 17. Study of heredity
  10. 18. having 2 different alleles for a gene
  11. 19. different form of genes
  12. 21. Survival of the fittest
Down
  1. 1. A tool used to predict the outcome of a genetic cross
  2. 3. When nature provide varaiety but humans decide which trait is more useful
  3. 4. Having 2 identical alleles for a gene
  4. 5. When a trait is controlled by more than one gene
  5. 8. The formation of a new Species due to reproductive Isolation
  6. 9. when a trait has more than 2 alleles
  7. 11. An accumulation of changes that leads to speciations
  8. 13. Physical characteristics of an organism
  9. 14. A change in a species over time
  10. 20. characteristics that vary between people