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How are the alleles of a particular gene differ from each other? Explain its significance.
Answers (1)
Alleles are genes which code for a pair of contrasting characters, and these are different from each other within a pair. However, the slight difference is not noticeable as characters or phenotype, but as the absence or presence of a molecule of a substance like sugar polymer. The substance is present on the gene I which regulates the ABO blood grouping.
Alleles are vital because they help in identifying whether a particular trait is recessive or dominant or even co-dominant (in some cases).
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