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11-1 The Work of Gregor Mendel Word Definition Genetics the scientific study of ________ Truebreeding term used to describe organisms that produce __________ identical to _________ if allowed to self-___________. specific ___________ that varies from one ___________ to another Trait Hybrid _____________ of crosses between ___________ with different _________. Gene sequence of _______ that codes for protein and thus determines a _________. Allele one of a number of _________ forms of a ______. Segregation separation of ___________ during ___________ formation Gamete specialized cell involved in ________ reproduction Paraphrase Picture 11-1 The Work of Gregor Mendel 1. Genes and Dominance a. ______________ studied different traits with contrasting _____________________ b. ____________- a specific characteristic such as seed __________ or plant _____________ that varies from one individual to another c. _____________- Offspring of parent _______________ with ________________ traits d. _____________- chemical _____________ that determine ___________ (______________) e. _______________- different forms of a _________ (____________ or _________) f. Principle of ______________: Alleles can be dominant or recessive i. ________________: trait is always seen ii. ________________: trait is seen if ____________________ is not present 2. Explaining the F1 Cross a. Segregation- separation of ______________ b. ______________- ________ cells (during formation plant alleles were ___________________) c. ________ _____ ___________________: Alleles for each trait are ____________________ separated during formation of sex cells (_________________)