MCQ
Rapid decline in a population due to high mortality rate is
- APopulation explosion
- BPopulation density
- ✓Population crash
- DAll the above
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$I.$ Haemophilia is a sex-linked recessive disease
$II.$ Down's syndrome is due to aneuploidy
$III.$ Phenylketonuria is an autosomal dominant gene disorder
$IV.$ Phenylketonuria is an autosomal recessive gene disorder
$V.$ Sickle cell anaemia is an $X$-linked recessive gene disorder
$R$ : Deoxyribonuclease will digest $DNA$ while $RNA$ will be intact.