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Sex-linked Inheritance MCQs

Prepare for Sex-linked Inheritance MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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Topic Notes: Sex-linked Inheritance

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Master Sex-linked Inheritance MCQs for Competitive Exams with our comprehensive, verified question bank. Designed for students and competitive exam aspirants across Pakistan, this study resource provides topic-wise practice questions for CSS, PMS, FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and university entry tests.

Exam Focus
Aligned with FPSC, PPSC, and CSS syllabus criteria for Sex-linked Inheritance.
Past Papers
Includes frequently repeated questions from past examinations.
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Preparation Guide & Key Focus Areas for Sex-linked Inheritance MCQs

When preparing for Sex-linked Inheritance MCQs (Biology), focus on core definitions, historical timelines, relevant provisions, and commonly tested factual points. Review each question below, test your knowledge against the given options, and inspect the detailed explanation to solidify your understanding.

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21
What is the specific term for genes that are located exclusively on the Y-chromosome?
22
Which of the following organisms is a classic example of environmental sex determination, where the sex of the individual is influenced by external factors?
23
Which specific sex chromosome configuration determines the male phenotype in humans?
24
Why are males more susceptible to color blindness compared to females?
25
Evaluate the following assertion and reason regarding haemophilia: Assertion (A): Haemophilia never occurs in women. Reason (R): The gene for haemophilia is located on the X-chromosome.
26
Evaluate the following: Assertion (A): Humans possess 23 pairs of chromosomes, including one pair of sex chromosomes and 22 pairs of autosomes, and X-linked diseases result from mutations on sex chromosomes. Reason (R): Colour blindness is caused by a mutation on the X-chromosome.
27
If a phenotypically normal woman, whose father was colourblind, marries a normal man, what is the probability that their sons will be colourblind?
28
Which parent's genetic contribution determines the biological sex of the offspring?
29
On which chromosome is the gene responsible for red-green color blindness located?
30
Which parent is biologically responsible for determining the sex of a human child?