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Get Answers to all your Questions
(a) A pea plant bearing axial flowers is crossed with a pea plant bearing terminal flowers. The cross is carried out to find the genotype of the pea plant bearing axial flowers. Work out the cross to show the conclusions you arrive at.
(b) State the Mendel’s law of inheritance that is universally acceptable.
Answers (1)
(a)
- Transcriptional level (formation of primary transcripts)
- Processing level (regulation of splicing)
- Transport of m-RNA from nucleus to cytoplasm
- Translation level.
(b)
- Lactose act as inducer thus absence of lactose switches off the operon.
- Repressor protein produce by regulatory gene (i-gene) is free (in absence of inducer)
- repressor protein binds with operator gene (o-gene)
- Preventing RNA polymerase to transcribe the structural gene and operon is switched off.
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