Genetics Vocabulary

2. the study of heredity and the variation of inherited characteristics
5. having inherited different versions (alleles) of a genomic marker from each biological parent
6. the action of inheriting
7. a table in which all of the possible outcomes for a genetic cross between two individuals with known genotypes are given
10. a trait that is expressed only when genotype is homozygous
12. having inherited the same versions (alleles) of a genomic marker from each biological parent
14. the genetic constitution of an individual organism
17. discovered the basic principles of heredity and laid the mathematical foundation of the science of genetics
19. threadlike structures made of protein and a single molecule of DNA that serve to carry the genomic information from cell to cell
20. exposures to substances where we live or work, behaviors that can increase an individual's risk of disease or stressful situations

1. the passing on of physical or mental characteristics genetically from one generation to another
3. to the relationship between two versions of a gen
4. the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment
8. the production of offspring by a sexual or asexual process
9. a unit of heredity which is transferred from a parent to offspring and is held to determine some characteristic of the offspring
11. The traits which are transmitted by the parent to its offspring during the process of fertilization
13. variations of a gene that can result in different traits in living things
15. the relationship between an observed trait and the two inherited versions of a gene
16. bred from parents of the same breed or variety
18. the membrane-enclosed organelle within a cell that contains the chromosomes
21. a trait that is expressed only when genotype is homozygous