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(a) Absence of lactose in the culture medium affects the expression of a lac-operon in E. coli. Why and how ? Explain.
(b) Write any two ways in which the gene expression is regulated in eukaryotes.
Answers (1)
(a)
(b) The law of inheritance which is universally accepted is law o segregation. It state that the two factors of a character present in an individual keep their identify distinct, seperate at time of gene to genesis or sporangenesis get randonmly distributed to different gametes and then get paired again in different offspring as per the principle of probability.
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