Question

An eukaryotic gene contain two kinds of base sequence which of these plays an important role in protein synthesis

Answer 1

in diploid eukaryotic organisms the genes have two alleles which could be homozygous or heterozygous. these alleles in turn codes for a protein. in heterozygous case the wildtype allele is dominant which codes for normal protein and other allele is mutant which does not codes for normal protein.