Punnet sqaure
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Homozygous
An organism that has two identical alleles for a trait
Genes
Chemical factors that determine traits
Allele
Different forms of a gene
Genetics
The scientific study of heredity
Dominate trait
a genetic factor that blocks another genetic factor
recessive trait
a genetic factor that is blocked by the presence of a dominant factor
Punnett Square
diagram showing the gene combinations that might result from a genetic cross
Genotype
genetic makeup
Heterozygous
having two different alleles for a trait
Probability
likelihood that a particular event will occur
Phenotype
physical characteristics of an organism
Trait
specific characteristic of an individual