NEET 2015 · Class 12

Principles of Inheritance and Variation

A pleiotropic gene

  1. (A)controls a trait only in combination with another gene
  2. (B)controls multiple traits in an individual
  3. (C)is expressed only in primitive plants
  4. (D)is a gene evolved during Pliocene

The NCERT line that answers it

Verbatim line

There are however instances where a single gene can exhibit multiple phenotypic expression.

Chapter
Principles of Inheritance and Variation
Section
4.5 PLEIOTROPY
Page
18
Words matched
21 of 21

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states 'a single gene can exhibit multiple phenotypic expression,' which directly and conclusively defines a pleiotropic gene as controlling multiple traits in an individual, matching option B.

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