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In the context of hereditary diseases, consider the following statements : 1. Passing on mitochondrial diseases from parent to child can be prevented by mitochondrial replacement therapy either before or after in vitro fertilization of the egg. 2. A child inherits mitochondrial diseases entirely from the mother and not from the father. Which of the statements given above is/are correct?  
In mammalian cells, RNA editing
P. Can change the coding capacity of a gene after transcription
Q. Creates a stop codon in the middle of the apo-B mRNA in intestinal cells but not in liver cells
R. Usually makes many changes in each mRNA
S. Can change specific nucleotides by deamination
In nonsense mutation, the new mRNA codon specifies the same amino acid as that from the original codon.
After bounding to the mRNA eukaryotic ribosome scans the entire mRNA until it encounters a start codon.
You transcribe a gene and obtain mRNA. To detect which strand is transcribed you replicate each strand in vitro and use the newly synthesized strand for hybridization with mRNA. If mRNA hybridize with the newly replicated strand from 1st strand then the gene transcribed was in ________
A cell has five molecules of a rare mRNA. Each cell contains 4 × 105 mRNA molecules. How many clones one will need to screen to have 99% probability of finding at least one recombinant cDNA of the rare mRNA, after making cDNA library from such cell?
The stop codon on the mRNA is read by __________
Half of the poeple on a bus get off at each stop after the first, and no one gets on after the first stop. If only 4 person gets off at stop number 4, how many people got on at the first stop?
Half the people on a bus get off at each stop after the first, and no one gets on after the first stop. If only one person gets off at stop number 7, how many people got on at the first stop?
Ajay left home for the bus stop 15 minutes earlier than usual. It takes 10 minutes to reach the stop. He reached the stop at 8.40 a.m. What time does he usually leave home for the bus stop?