Across
- 5. heterozygous phenotype lies somewhere between the two homozygous phenotypes.
- 8. physical traits.
- 9. genetic makeup.
- 15. sperm cells fertilize egg cells from within the same flower, producing identical offspring.
- 17. phenotypes produced by both alleles are clearly expressed.
- 18. organisms that have two different alleles for the same gene.
- 19. convenient to study and may tell us how other organisms, including humans, actually function.
- 21. each gamete carries only one allele for each gene.
- 22. gene variations produced different expressions, or forms, of each trait.
Down
- 1. controlled by two or more genes.
- 2. a gene has more than two possible alleles.
- 3. organisms that have two identical alleles for a particular gene
- 4. two genes do not influence each other’s inheritance.
- 6. likelihood that a particular event will occur.
- 7. process where male and female reproductive cells join to produce a new cell.
- 10. scientific study of heredity.
- 11. produces a plant that has two different parents.
- 12. delivery of characteristics from parent to offspring.
- 13. shows the result of a cross.
- 14. factors that are passed from parent to offspring.
- 16. something we each receive from our parents.
- 18. offspring of crosses between parents with different traits.
- 20. several generations of identical plants.