Gynaecomastia is the symptom of
Down syndrome
SARS
Turner’s syndrome
Klinefelter’s syndrome
Choose correct answer.
$(i)$ Sickle - cell anaemia is controlled by three pairs of allele.
$(ii)$ Trisomy is chromosomal disorder.
$(iii)$ $47$ chromosome present in person whose having Turner's syndrome.
In Down's syndrome $(Mongolism)$ each cell has how many chromosomes
Euploidy is best explained by