Different forms of a given gene are known as alleles
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The probability of two tossed coins will come down as heads is 1/4. Because you have to calculate the probability of 1/2, multiplied with the probability of the other one - 1/2
The process of converting the genetic message from DNA into RNA is called transcription.
Transcription is the phase of gene expression in which a certain part of DNA is copied into RNA. Transcription is carried out by the enzyme RNA polymerase which joins nucleotides to produce an RNA strand and uses a DNA strand as a template. The three stages involved in transcription are initiation, elongation, and termination.