Answer:
Please refer to the explanation below.
Step-by-step explanation:
1) Genetics is the study of genes and heredity.
2) Refer to the pedigree chart attached. The gene studied is eye color. Father (square on the pedigree) has a dominant gene (brown eyes), while Mother (round on the pedigree) has a recessive gene (blue eyes). Me and my brother have brown eyes (shaded square and round) while my younger brother has the recessive gene (unshaded square).
I hope this answers your question.