Haemophilia is a sex-linked recessive disorder caused by a mutation on the X chromosome affecting blood clotting factors.
NEET UG 2026 — Biology Genetics
Which of the following is a sex-linked recessive disorder?
Verified 30 May 2026.
Sickle cell anaemia
Haemophilia
Thalassemia
Phenylketonuria
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In a dihybrid cross between RrYy × RrYy, the phenotypic ratio of round yellow to wrinkled green is:
In a dihybrid cross, the phenotypic ratio in F₂ generation is:
In Mendel's monohybrid cross, the phenotypic ratio in F₂ generation is:
The phenotypic ratio of a monohybrid cross in F₂ generation is:
What fraction of the F₂ plants with round seeds will be heterozygous for seed shape?
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