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#Question id: 13104


With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 
You do each PCR reaction and load each one into a separate well of an agarose gel, and then run the gel.
 

 
Why is it that some people show two bands?

#Unit 13. Methods in Biology
  1. They are heterozygotes at this region.
  2. They are homozygotes at this region.
  3. Because longer the DNA fragments.
  4. Because the more repeats is found.

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TLS Online TPP Program

#Question id: 7589

#General Aptitude

A train of length 500 m crosses a platform of length 50% more than the length of the train in 50 seconds. Find the time taken by this train to cross another train of same length running with double the speed of first train in the opposite direction.

TLS Online TPP Program

#Question id: 7590

#General Aptitude

The ratio of the length of two trains X and Y is 4 : 7 and the ratio of the time taken by both trains to cross a man standing on a platform is 2 : 3. If the speed of the train y m/sec

TLS Online TPP Program

#Question id: 7591

#General Aptitude

A pilot flies an aircraft at a certain speed for a distance of 800 km. He could have saved 40 min by increasing the average speed of the plane by 40 km/h. Find the average speed of the aircraft.

TLS Online TPP Program

#Question id: 7592

#General Aptitude

A train started from point A at a speed of 60 km/hr and after 2 hours another train of same length started from A at a speed of 80 km/hr in the same direction as the first one. After how much time the second train will meet the first train?

TLS Online TPP Program

#Question id: 7593

#General Aptitude

An aeroplane files along the four sides of a square at the speeds of 200 , 400 , 600 and 800 km/hr. Find the average speed of the plane around the field

TLS Online TPP Program

#Question id: 7594

#General Aptitude

A car travels the first one third of a certain distance with a speed of 10 km/hr , the next one third distance with a speed of 20 km/hr , and the last one third distance with a speed of 60 km/hr . The average speed of the car for the hole journey is :