1
IAT (IISER) 2025
MCQ (Single Correct Answer)
+4
-1
Two double heterozygous plants ( PpQq ), derived from two different pairs of true-breeding parents of unknown genotype, produce gametes in the proportions as given below.
Which one of the following options correctly represents the genotype of the parents?
2
IAT (IISER) 2025
MCQ (Single Correct Answer)
+4
-1
Honey bee males are haploid and females are diploid. Which one of the following statements is INCORRECT about honey bees?
3
IAT (IISER) 2024
MCQ (Single Correct Answer)
+4
-1
The following pedigree diagram shows the inheritance of a rare genetic disorder (filled shapes depict affected individuals).
Which of the following is the most likely pattern of inheritance of the disorder?
Which of the following is the most likely pattern of inheritance of the disorder?
4
IAT (IISER) 2023
MCQ (Single Correct Answer)
+4
-1
In an island with 10,000 individuals, four have sickle cell anemia, a recessive autosomal disease. Assuming that the locus is in Hardy-Weinberg equilibrium, how many individuals in that island are expected to be heterozygous for the disease allele?
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