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The blood groups of 30 students of class...

The blood groups of 30 students of class IX are recorded as follows: A, B O, O, AB, O, A, O, B, A, O, B, A, O, O, A, AB, O, A, A, O, O, AB, B, A, O, B, A, B, O A student is selected at random from the class from blood donation. Find the probability that the blood group of the student chosen is:
(i) A        (ii)  B          (iii) AB        (iv)  O

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The blood groups of 30 students are recorded as follows: A, B, O, A, AB, O, A, O, B, A, OB, B, A, AB, B, A,AB ,B, A, A, O, A, AB, B, A, O, B, A, B, A Prepare a frequency distribution table for the data.

The blood groups of 30 students of Class VIII are recorded as follows: A, B, O, O, AB, O, A, O, B, A, O, B, A, O, O,A, AB, O, A, A, O, O, AB, B, A, O, B, A, B, O. Represent this data in the form of a frequency distribution table. Which is the most common, and which is the rarest, blood group among these students?

The genotype of blood group O is

If mother has 'O' blood group, child also has 'O' group. What can be the blood group of father?

In a medical examination of students of a class, the following blood groups are recorded. A student is selected at random from the class. The probability that he/she has blood group B, is

Blood group O is universal donor because

A,B and O blood groups were discovered by

What is correct for blood groups O?

The possible blood group of children born to parents having A and AB blood groups are: a) O, A b) A, B, AB c) B,O, A d) O, A, B, AB

Blood group of a couple are AB and O. The possible blood group of children would be

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