1
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 3 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
2
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
3
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 1 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
4
IAT (IISER) 2020
MCQ (Single Correct Answer)
+4
-1
A hypothetical plant species shows two flower colour phenotypes- red and white. Red is dominant over white. In a population, this flower colour locus was found to be in HardyWeinberg equilibrium. If 490 out of a total population size of 1000 plants were found to be white-flowered, how many of the red-flowered plants will be heterozygous?
A
700
B
90
C
580
D
420
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