Across
- 9. produces a plant that has two different parents.
- 10. scientific study of heredity.
- 15. when the phenotypes produced by both alleles are clearly expressed.
- 16. fusion of male and female gametes.
- 19. generation are offspring of the P generation.
- 22. female gametes.
- 23. the heterozygous phenotype lies somewhere between the two homozygous phenotypes.
- 24. undergoes cell division by mitosis and eventually forms a new organism.
- 26. haploid cells produced by meiosis II.
- 30. process in which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes.
- 31. cells have pairs of homologous chromosomes.
- 32. organisms that have two different alleles.
- 33. likelihood that a particular event will occur.
- 34. physical traits.
- 35. generation is the parents.
Down
- 1. sperm cells fertilize egg cells from within the same flower.
- 2. convenient to study.
- 3. genetic makeup.
- 4. strands of DNA and protein that are the carriers of genes.
- 5. factors that are passed from parent to offspring.
- 6. when a gene has more than two possible alleles.
- 7. shows the result of a cross.
- 8. when two genes do not influence each other's inheritance.
- 11. something we each receive from our parents.
- 12. generation are offspring of the F1 generation.
- 13. cells have a single set of chromosomes.
- 14. offspring of crosses between parents with different traits.
- 17. states that some alleles are dominant and others are recessive.
- 18. delivery of characteristics from parent to offspring.
- 20. separation of alleles in gametes.
- 21. gene variations produced different expressions, or forms, of each trait.
- 25. controlled by two or more genes.
- 27. have two contrasting characteristics.
- 28. male gametes.
- 29. organisms that have two identical alleles.