Word
Genetics
The study of how traits are passed on
An allele that masks the presence of a recessive allele in the phenotype (ex. T)
Dominant Allele
AA
Homozygous Dominant
Two different copies of an allele (ex. Tt)
Heterozygous
Allele
A gene for a particular trait
The segment of DNA that determines a particular trait
Gene
Ee
Heterozygous
Recessive Allele
An allele that is masked in the phenotype by the presence of a dominant allele (ex. t)
Homozygous
Two copies of the same allele (ex. TT or tt)
Heredity
gg
Homozygous Recessive
The Father of Genetics
Gregor Mendel
Genotype
The letter combination the makes up a trait (ex. TT, Tt, or tt)
The observable trait of an individual (ex. blue eyes)
Phenotype
BB or bb
Homozygous
Trait
Inherited characteristic of an organism