Genetics and Inheritance

12345678910111213141516171819202122
Across
  1. 2. The process by which genetic information is passed from parents to offspring.
  2. 4. A type of cell division that produces gametes with half the number of chromosomes.
  3. 6. A type of cell division that produces two genetically identical daughter cells.
  4. 7. Having two identical alleles for a particular gene.
  5. 9. Deoxyribonucleic acid, the molecule that contains the genetic instructions for living organisms.
  6. 11. An individual who has one copy of a recessive allele that does not affect their phenotype.
  7. 13. The modification of an organism’s genome using biotechnology.
  8. 14. The physical characteristics or traits of an organism.
  9. 17. A change in the DNA sequence that may result in a new phenotype.
  10. 19. A diagram used to predict the genetic outcomes of a cross.
  11. 20. A reproductive cell, such as a sperm or egg, that contains half the genetic material of an organism.
  12. 21. An allele that is expressed in the phenotype, even if only one copy is present.
  13. 22. A fertilised egg cell formed by the fusion of two gametes.
Down
  1. 1. Having two different alleles for a particular gene.
  2. 3. A cell containing two sets of chromosomes.
  3. 5. A thread-like structure of DNA, carrying genetic information in the form of genes.
  4. 7. A cell containing one set of chromosomes.
  5. 8. The process of choosing organisms with desirable traits to reproduce.
  6. 10. A different version of the same gene.
  7. 11. Producing genetically identical organisms or cells from a single parent.
  8. 12. An allele that is only expressed in the phenotype when two copies are present.
  9. 15. The genetic makeup of an organism, represented by the alleles it possesses.
  10. 16. A segment of DNA that codes for a specific protein.
  11. 18. Differences in the characteristics of individuals in a population.