First slide

Inheritance of One Gene

Question

Parents with blood group O will have children with blood groups

Easy

A

A and O in ratio 1 : 4
B

O only
C

B and O in the ratio of 1 : 4
D

A and B in equal ratio

Solution

The parents with blood group O will have children with blood group O only as O blood group is recessive and is expressed in homozygous condition (i^Oi^O) only.

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