Q54 of 167 Page 193

A cross between a tall plant (TT) and short plant (tt) resulted in progeny that were all tall plants because :

Tallness is the dominant trait.

When a cross between tall plant TT and a short plant tt occurs , the resulting offspring are all ‘Tt’ where T is the dominant trait so all plants are tall due to that dominant trait which does not lets the recessive trait i.e. shortness express itself.

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