Studied by 3 people
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Dominant
Only need one for it to be expressed, shown as a capital letter (e.g. X).
Recessive
2 genes needed for it to be expressed, shown as a lowercase letter (e.g. X)
Punnet square (genetic cross)
A table to show the probability of a characteristics in off spring.
Homozygous
The same allels.
Heterozygous
Different allels.
Phenotype
Physical appearance of a person.
Genotype
The genes for characteristics.
