Answer:
Multiple alleles are the multiple forms of
a gene which occur on the same gene locus, but distributed in different
organisms in the gene pool with an organism, which carry only two alleles and
the gamete have only one allele.
Despite multiple allelism, an individual
will have only two alleles because an individual develops from a zygote which
is the result of fusion of sperm (carrying father set of(n)haploid chromosomes)
and an egg (carrying mother set of haploid chromosomes).
Sperm and an egg have only one
gene (allele) for each trait. A zygote when becomes diploid, have two alleles
for each trait. It is the maximum number of alleles an individual can have e.g.,
genes of blood groups.
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