Genetics Vocab 2
Terms
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- gene
- A unit of DNA that codes for a specific trait.
- phenotype
-
The way that an organism looks, or the trait that is displayed.
(example: tallness or shortness) - heterozygous (or hybrid)
-
Organisms that have different alleles for a trait.
(example: Tt) - heredity
- The set of characteristics that an organism recieves from its parents.
- homozygous (or purebred)
-
Organisms that have identical alleles for a trait.
(example: TT or tt) - genetics
- The study of heredity.
- genotype
-
An organism's genetic makeup.
(example: TT, Tt, or tt) - trait
-
A physical characteristic.
(example: tallness or shortness) - alleles
-
Different forms of the same gene.
(example: the gene for height in pea plants has two forms, T and t) - Examples of Phenotypes
-
tall
short
brown hair
blue eyes
orange fur - Examples of Genotypes
-
TT, homozygous (purebred)
tt, homozygous (purebred)
Tt, heterozygous (hybrid)