"It is possible that a trait is inherited but may not be expressed." Give a suitable example to justify this statement.

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asked Jan 22, 2018 in Biology by Golu (37,045 points) 19 145 414

"It is possible that a trait is inherited but may not be expressed." Give a suitable example to justify this statement.

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answered Jan 22, 2018 by faiz (82,347 points) 6 6 11
edited Jan 31, 2018 by Vikash Kumar
 
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Yes, it is possible that a trait is inherited but may not be expressed.
For example, when pure tall pea plants are crossed with pure dwarf pea plants, only tall pea plants are obtained in F1 generation.

On selfing tall plants of F1, both tall and dwarf plants are obtained in F2 generation in the ratio 3 : 1. Reappearance of the dwarf character, a recessive trait in F2 generation shows that the dwarf trait was present in individuals of F1 but it did not express.

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