Q.A normal couple has a colourblind son. What must be the genotype of the mother?

Homozygous dominant (

XX

)

Heterozygous carrier (

X^C X^c

)

Homozygous recessive (

X^c X^c

)

Hemizygous (

X^c

)

The correct solution involves applying the fundamental concept to derive the final value step by step...

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