KPSC/KAS/PSI/FDA Exam General Science MCQs Part-2

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KPSC/KAS/PSI/FDA Exam Biology MCQs Part-2 51.​Consider the following statements: ​ Assertion (A): In humans, female sex is determined by XX-chromosomes. ​ Reason (R): Male sex is determined by YY-chromosomes. ​ Codes: ​(a)​ Both A and R are true and R is the correct explanation of A. ​ (b) ​Both A and R are true, but […]

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