Retinoblastoma usually occurs as a sporadic event but in around 10% of cases there is a positive family history due to autosomal dominant inheritance. In these families the penetrance is approximately 80% (= 0.8). A woman with retinoblastoma, whose father and grandfather were also affected, has an unaffected partner with no relevant family history. Which of the following is correct regarding their children?

#Question id: 5376

#Part-A Aptitude & General Biotechnology

There are two classes A and B consisting of 40 and 52 student respectively . If the average of weight of class A is 45kg and that of class B is 40kg.Find the average of weight of all the student of class A and B.

#Question id: 5377

#Part-A Aptitude & General Biotechnology

The average weight of A,B and C is 48kg , If the average weight of A and B be 45kg and that of B and C be 50kg ,Find the weight of B

#Question id: 5378

#Part-A Aptitude & General Biotechnology

Out of 10 persons , 9 persons spent Rs 40 each of their meals .The 10th one spent Rs 18 more than the average of expenditure of all the 10 . the total money spent by all of them is 

#Question id: 5379

#Part-A Aptitude & General Biotechnology

The average weight of three brothers is 68 kg . If their weights are in the ratio 3:4:5, the weight of the heaviest of the three brothers is.

#Question id: 5380

#Part-A Aptitude & General Biotechnology

Out of three numbers the second number is twice the first and also one third of third number.If the average of three numbers is 54. Find the second number.

#Question id: 5381

#Part-A Aptitude & General Biotechnology

A man travels from destination A and B by car to an average speed of 48 km/h and returns on his bike with an average speed of 16 km/h .Find his average speed for the entire journey