Across
- 3. A diagram of family history that uses standardized symbols.
- 7. a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
- 8. the molecule that carries genetic information for the development and functioning of an organism
- 9. a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells
- 11. an observable trait.
- 13. provide information about offspring
- 15. describes how different genes independently separate from one another when reproductive cells develop.
Down
- 1. any observable feature, or trait, of an organism, whether acquired or inherited
- 2. one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.
- 4. A term that refers to the two alleles present at a specific locus in the genome
- 5. cells in the body other than sperm and egg cells
- 6. a haploid cell that fuses with another haploid cell during fertilization in organisms that reproduce sexually.
- 8. the relationship between two versions of a gene
- 10. a trait that is expressed only when genotype is homozygous
- 12. a particular characteristic, quality, or tendency that someone or something has
- 14. The basic unit of heredity passed from parent to child.
