MCQ
Gynaecomastia is the symptom of
- ADown syndrome
- BSARS
- CTurner’s syndrome
- ✓Klinefelter’s syndrome
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$(i)$ Queen Elizabeth shows a number of haemophilic descendents.
$(ii)$ Variation in blood group prevalences due to incomplete dominance.
$(iii)$ Drosophila has three pairs of autosomal chromosomes.
$(iv)$ In birds, female is heterozygous.