When does a dominant genetic disorder occur?

A) Only one allele of the gene is the mutant allele.
B) Both alleles of the gene are the mutant allele.
C) Neither allele of the gene is the mutant allele.
D) Either one or both alleles of the gene are mutant.


D

Biology & Microbiology

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What will be an ideal response?

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The portion of the flower containing pollen grains is

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