Our genes

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Across
  1. 2. allele Show its effect when it is present.
  2. 4. One of the pair of genes that is located at the specific location on the specific chromosome.
  3. 6. allele Show its effect when the dominant allele is absent.
  4. 7. number The total number of chromosomes in an organism.
  5. 8. The study of heredity.
  6. 9. That contain only haploid number of chromosomes.
  7. 11. The physical characteristics that are inherited from the parents.
Down
  1. 1. Half of the diploid number.
  2. 3. The passing down of trait from one generation to the next.
  3. 5. The unit of inheritance that controls the characteristics of the individual.
  4. 10. The division of cells to form gametes. During fertilization,The sperm and ovum fuse to form a zygote with diploid number.