News

Punnett and Bateson knew that in sexual reproduction both parents contribute a gamete to the offspring, but some of their traits disappeared in one generation only to reappear in a later generation.
How to construct Punnett squares Follow this method to construct Punnett squares. Determine the parental genotypes – the allele combinations for the male and female.
The claim: You can trace your ancestry by looking at the length of your toes. Science teachers may use Punnett squares to illustrate possible genotypes, or an individual’s genetic makeup. For ...
Jenny writes: “I’m nearing the end of getting my undergrad in Zoology and I decided to do something to commemorate it. I like the simplicity of a Punnett square and I like that such ...
Genetic crosses of single gene combinations (monohybrid inheritance) can be shown and examined using Punnett squares. These show the possible offspring combinations that could be produced, and the ...
Lesson description: This lesson examines the Punnett Square, which is used to calculate the frequencies of the different genotypes and phenotypes among the offspring of a cross. Students review ...