Blood test before marriage can give information about
Haemophilia
Leukemia
Diabetes mellitus
All of the above
Sex chromatin or barr body is an
Inactive chromatin
Active Y-chromosome
Active condensed X-chromosome
Inactive condensed X-chromosome
Amniocentesis helps in detecting a foetus
Sex
Congenital diseases
Metabolic disorders
All of the above
In which of the following diseases, man has got an extra X-chromosome?
Bleeder’s disease
Down’s syndrome
Turner’s syndrome
Klinefelter’s syndrome
The science of fingerprints was discovered by chance during a murder investigation in
China
Japan
India
USA
DNA finger printing technology was invented by
Sir alec jeffrys
Lousiana
P.K. Sethi
Griffith