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10 cards from this deck
Observable characteristics of an organism
Genetic makeup represented by letters (e.g. TT, Tt, tt)
Both alleles for a trait are the same (TT or tt)
Two alleles for a trait are different (Tt)
Examines inheritance of a single characteristic
3:1 ratio (3 dominant : 1 recessive)
Alleles blend to create intermediate phenotype
Both alleles expressed simultaneously in phenotype
Females: XX, Males: XY
1:1 (50% males : 50% females)
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