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Genetics Sex Linked Inheritance - Questions and Answers

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6. How many X-linked inherited characters are identified in man
A. 160
B. 170
C. 171
D. 181
Explanation:
7. Which of the following is true about the inheritance of haemophilia and colour blindness
A. Father → F₁ son→ F₂ grand-son
B. Father → F₁ daughter→ F₂ grand-son
C. Mother → F₁ son→ F₂ grand-daughter
D. Both 2 and 3
Explanation:
8. Which of the following shows criss-cross pattern of inheritance
A. Y-linked dominant gene
B. Y-linked recessive gene
C. X-linked recessive gene
D. X-linked dominant gene
Explanation:
9. Achromatopsia in man in otherwise known as
A. Haemophila
B. Muscular dystrophy
C. Colour blindness
D. Hydrocephalus
Explanation:
10. The genotype of XX-cc refers to the
A. Colour blind daughter
B. Colour blind son
C. Colour blind grand-son
D. Colour blind grand-daughter
Explanation:
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