Aheterozygote is an individual with:
a. a different paternal and maternal allele at a particular locus.
b. the same paternal and maternal allele at a particular locus.
c. a dominant allele.
d. a recessive allele.

a) a different paternal and maternal allele at a particular locus

Explanation:  Hetero-zygote are referred as the organisms that represent the two different alleles of a particular gene. It can have different  individual paternal and maternal allele from a gene.They have the nature of establishing alleles that among the two alleles, one of them has a dominant approach. Therefore the correct option for the given  statement in the question is option(a) .

step 1: initiation

initiation is the beginning of transcription. it occurs when the enzyme rna polymerase binds to a region of a gene called the promoter. this signals the dna to unwind so the enzyme can ‘‘read’’ the bases in one of the dna strands. the enzyme is now ready to make a strand of mrna with a complementary sequence of bases.

step 2: elongation

elongation is the addition of nucleotides to the mrna strand. rna polymerase reads the unwound dna strand and builds the mrna molecule, using complementary base pairs. there is a brief time during this process when the newly formed rna is bound to the unwound dna. during this process, an adenine (a) in the dna binds to an uracil (u) in the rna.

step 3: termination

termination is the ending of transcription, and occurs when rna polymerase crosses a stop (termination) sequence in the gene. the mrna strand is complete, and it detaches from dna.

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