Science (Genetics) 1.9

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Across
  1. 2. The type of cell division which produces sex cells/gametes.
  2. 4. Having two identical alleles for a particular gene
  3. 9. Having two different alleles for a particular gene, not true breeding.
  4. 11. A change in sequences of bases in the genetic code which is transmitted to subsequent generations.
  5. 12. The passing on of traits from generation to generation through the genetic code
  6. 13. A distinctive inherited feature of an organism
  7. 14. An allele that controls the phenotype regardless of what the other allele is.
  8. 15. An allele which is only expressed when the dominant allele is absent
  9. 16. Sex cell produced by meiosis
Down
  1. 1. The type of cell division which produces two identical daughter cells from one parent cell.
  2. 3. A diagram used to predict the phenotype and genotype ratios of offspring by showing how alleles combine together during fertilisation.
  3. 5. A molecule containing a sugar-phosphate-base, found in DNA.
  4. 6. Organisms homozygous for a trait
  5. 7. A chart which shows how genes are inherited.
  6. 8. Photograph of individual chromosomes of a cell arranged in pairs and showing their number, size and shape
  7. 10. The characteristics of an organism produced by a particular genotype.