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Converting units: mL to L, etc.

A state department of education, as a question on the public-release form of a statewide standardized test, released a question to the public in which…

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What does ‘allele’ mean?

The word allele, in the study of inheritance, means a single copy of a gene. It is pronounced uh-LEEL. Its usage implies that there are…

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What is a Punnett square?

Biologists who study inheritance patterns, genetic counselors, and you (apparently) need to bridge the gap between DNA and some of life’s questions, like “What crop…