A) genic interactions controlling a character
B) multiple genes controlling a character
C) expression of many characters by a single gene
D) alternative forms of a gene at a given locus
Correct Answer: D
Solution :
Allelism refers to presence of alternative forms of a gene at a given locus. Alleles or allelomorphs are the two contrasting aspects of the same character present at a locus of homologous pair of chromosomes. Now-a-days, the same aspect in duplicate (TT or tt) of a character is also considered an allele.You need to login to perform this action.
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