1
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?

A

Honey bee males cannot have daughters but can have sons.

B

Honey bee males are produced from unfertilized eggs and females are produced from fertilized eggs.

C

A honey bee male does not have a father but has a grandfather.

D

Honey bee males form gametes by mitosis and females form gametes by meiosis.

2
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). IAT (IISER) 2024 Biology - Principles of Inheritance and Variation Question 9 English Which of the following is the most likely pattern of inheritance of the disorder?
A
X-linked recessive
B
X-linked dominant
C
Autosomal recessive
D
Autosomal dominant
3
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?
A
4
B
9608
C
9996
D
392
4
IAT (IISER) 2023
MCQ (Single Correct Answer)
+4
-1
The following pedigree chart shows the inheritance of a genetic disorder. I-2 and III-2 are the only affected individuals. IAT (IISER) 2023 Biology - Principles of Inheritance and Variation Question 7 English Which one of the following is the correct pattern of inheritance of the disorder, and the genotype of the II- 3 individual?
A
Autosomal recessive, homozygous for the normal allele
B
Autosomal dominant, homozygous for the normal allele
C
X-linked recessive, heterozygous
D
Autosomal recessive, heterozygous

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