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