MCQ
The person with Turner’s syndrome has:
- A45 Autosomes and X sex chromosome.
- B44 Autosomes and XYY sex chromosomes.
- C45 Autosomes and XYY sex chromosomes.
- D44 Autosomes and X sex chromosome.
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Reason : Sex in humans is a polygenic trait depending upon a cumulative effect of some genes on $X-$ chromosome and some on $Y-$ chromosome.
Reason : Flower colour gene shows incomplete dominance.