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Blood Type and Heredity

Life & Health

★Exhibit Content: Popular science on ABO blood type classification and inheritance patterns ★Interaction: Blood type selection interactive device ★Operation: Visitors select the blood type buttons for the parents, press the confirm button, and observe the indicator lights for the possible blood types of the child, thereby understanding the scientific principles of blood type inheritance. ★Exhibit Overview: On the display wall, there are graphic panels with the portraits of father, mother, and child. Below the father's and mother's portraits, there are multiple blood type buttons. Below the child's portrait, corresponding to each blood type, there is a row of indicator lights. When visitors participate, they select the blood type buttons under the father and mother respectively, then press the "Confirm" button. The indicator lights under the child will show the possible blood types of the child. After one round, visitors can press the "Replay" button to test again. ★Scientific Principle: The exhibit provides an in-depth analysis of the biological mechanism of blood type inheritance: Human ABO blood type is determined by the ABO gene on chromosome 9. This gene has three alleles—IA, IB, and i, where IA and IB are codominant, and i is recessive. IAIA or IAi results in type A, IBIB or IBi results in type B, IAIB results in type AB (codominant), and ii results in type O (recessive). Each parent passes one allele to the child, and the combination of genes determines the child's blood type.

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Principle Display: ★★★★ Interaction Effect: ★★★★ Ease of Installation: ★★★★ Durability: ★★★★ Overall Rating: ★★★★

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