Which of the following statements are false?I | vedclass

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(B) Statement $I$ is true: $A$ dominant allele masks the expression of a recessive allele in a heterozygous condition.Statement $II$ is false: $A$ rec

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$II, III$ and $IV$

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(B) Statement $I$ is true: $A$ dominant allele masks the expression of a recessive allele in a heterozygous condition.Statement $II$ is false: $A$ recessive allele is not 'weaker'; it is simply a variant that does not express its phenotype in the presence of a dominant allele.Statement $III$ is true: $A$ recessive allele does not express its phenotype in the presence of a dominant allele.Statement $IV$ is false: $A$ dominant allele is not always 'better'. For example,many genetic disorders are caused by dominant alleles (e.g.,Huntington's disease).Therefore,statements $II$ and $IV$ are false.

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