Genetics & Heredity Terms

3. the study of heredity and the variation of inherited characteristics.
6. a distinguishing quality or characteristic, typically one belonging to a person.
9. a trait that will appear in the offspring if one of the parents contributes it
11. the genetic constitution of an individual organism.
12. a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
13. a unit of heredity which is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

1. a table in which all of the possible outcomes for a genetic cross between two individuals with known genotypes are given
2. a trait that is expressed only when genotype is homozygous
4. having different alleles for a particular trait
5. the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.
7. having inherited the same versions (alleles) of a genomic marker from each biological parent
8. the passing on of physical or mental characteristics genetically from one generation to another.
10. one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.