Examlex
When a true null hypothesis is rejected, the researcher has made a Type I error.
Straight Hairline
A form of hairline where the hair grows in a straight line across the forehead.
Recessive
A genetic trait that is expressed only when two copies of the gene are present, not seen when a dominant gene is present.
Phenotypic Ratio
The proportion of different phenotypes observed in the offspring of a particular genetic cross.
Guinea Pigs
Small rodents often used as pets or in research as model organisms for biological studies.
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