What will be the phenotypic ratio of an F1 cross

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What will be the phenotypic ratio of an F1 cross of fliescarrying two mutations if:

a) The mutations are linked in coupling phase, (i) 50 mapunits apart, (ii) 20 map units apart
b) The mutations are linked in repulsion phase, (i) 50 mapunits apart, (ii) 20 map units apart

Reference no: EM13530558

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