MCQ
Sickle cell anaemia is an example for ____________?
- APoint mutation
- BGeneral mutation
- CSpontaneous mutation
- DNatural mutation
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$I.$ A Dominant allele determines the phenotype when paired with a recessive allele
$II.$ A recessive allele is weaker than a dominant allele
$III.$ A recessive allele do not shows its effects when paired with a dominant allele
$IV.$ A dominant allele is always better for an organism
$R$ - $MMC$ is a large cell containing dense cytoplasm and a prominent nucleus