What is the chance of diabetic baby born to parents both heterogeneous normal ?
Correct answer: B. ¼
- A. Zero
- B. ¼
- C. ½
- D. ¾
- E. None of these
Explanation
If diabetes is treated as an autosomal recessive trait, two unaffected heterozygous parents have the cross Aa × Aa, producing aa affected offspring in one out of four cases. This answer assumes the question uses the classical single-gene model of diabetes.
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The human body is studied through its organ systems, including digestion, respiration, circulation, excretion, nervous coordination, reproduction and immunity. Coverage also includes nutrients and deficiency diseases, hormones, blood groups, common infections, vaccines, sanitation and basic first aid, while distinguishing communicable diseases from inherited and lifestyle disorders.
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