Name __________________________
Principles of Heredity
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1. Gregor __________________, the “father of genetics”
2. The first _________________ generation is the offspring of a cross between parents that are
pure for a given trait.
3. The principle of _________________________ and recessiveness.
4. The outward expression or appearance: ____________________________
5. Cross that involves parents that differ in TWO traits. __________________________
6. The study of heredity: ______________________________
7. An alternate form of a gene: _______________________
8. The Principle of ______________________________ Assortment
9. Having non identical alleles (not pure; ex. Aa): __________________________
10. Having identical alleles (pure, ex. AA): _______________________________
11. Square used to determine probability and results of cross: _______________________
12. The allele that is masked or covered up by the dominant allele: _______________________
13. The genetic make-up or an organism (Tt): _______________________________
14. A cross that involves ONE pair of contrasting traits: ___________________________
15. The plants Mendel did his studies on: __________________
16. The likelihood that an event will happen: ___________________________________
17. When neither allele is dominant (they are both expressed) ___________________________
18. Principle of __________________________ states that alleles separate when gametes are
formed.