Allele
~ Gene for particular trait (T) (t)
Genotype
~ Letter combo that makes a trait (TT)(Tt)(tt)
Dominant Allele
~
Recessive Allele
~
Phenotype
~ physical characteristics of an organism
Purebred
~ An organism that always produces offspring with the same form of a trait as the p...
Biology 189 Arizona
College Questions and
Answers
Allele
✓~ Gene for particular trait (T) (t)
Genotype
✓~ Letter combo that makes a trait (TT)(Tt)(tt)
Dominant Allele
✓~
Recessive Allele
✓~
Phenotype
✓~ physical characteristics of an organism
Purebred
, ✓~ An organism that always produces offspring with the same form of a trait as the parent.
Hybrid
✓~ Offspring of crosses between parents with different traits
Homozygous
✓~ An organism that has two identical alleles for a trait (TT) (tt)
Heterozygous
✓~ An organism that has two different alleles for a trait (Tt)
Gene
✓~ sequence of DNA that codes for a protein and thus determines a trait
Trait
✓~ specific characteristic of an individual
Heredity
✓~ Passing of traits from parents to offspring
dihybrid cross
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