Across
- 3. it affects the expression of phenotype which includes all such factors disease, nutrient supply, temperature effects, accidents and others
- 8. one or more collective alternative forms of a gene occupying the same lucos on a chromosomes, one pair of controlling genes
- 10. a condensed unit of DNA
- 12. it is represented by 2 small letters
- 13. it plays a key role in turning DNA instructions into functional proteins
- 14. a term coined by Wilhelm Johannsen that refer to the particulate factor that Mendel hypothesized as the basic unit of inheritance
- 15. the building block of protein
Down
- 1. the other term for heterosis
- 2. anobservable manifestation of a given character of an individual
- 4. the process of the production of gamtes
- 5. is the occurence of the differences among individuals of the same species
- 6. he laid the foundation of three new breeds of animals suchas shire horse, longhorn cattle,and leicester sheep
- 7. it is a double-standed helix
- 9. it copy or replicate itself with great consistency and precision
- 11. the branch of biology that deals with the principles of heredity and variation in all living things
