The patter of inheritance would support the hypothesis that the trait being studied is a recessive sex- linked trait found on the X chromosome "The trait is mostly expressed in males who have a maternal grandfather with the trait."
Explanation:
A pedigree chart is a illustration that displays the existence and arrival of phenotypes of a specific genetic factor or organism and its families from one group to the next, most usually individuals, show dogs, and race horses. A pedigree chart displays a family tree, and shows the members of the family who are affected by a genetic trait. This chart shows four generations of a family with four individuals who are affected by a form of colorblindness. Circles represent females and squares represent males.
concise verbal or mathematical statement of a relation that expresses a fundamental principle of science, like Newton's law of universal gravitation.
