Technique
Punnett Square
Punnett square
A grid for enumerating possible allele combinations from specified parental gametes.
Overview
EXPLORE BY LEVELA Punnett square is a simple grid that shows possible One DNA-sequence version at a particular locus. An allele can affect a trait, but a sequence difference is not automatically harmful. combinations in offspring if the parents' genotypes are known.
Quick Facts
AT A GLANCETopicHeredity & Cell Division
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Recommended Reading
Trusted references for learning more about Punnett Square.
Research Claims
Punnett squares are a limited representation of inheritance and should not be used alone for linked loci, polygenic traits, variable penetrance, or population estimates.