Multiple choice

In sex linkage, the speciality is

  1. atavism

  2. reversion

  3. gene flow

  4. criss cross inheritance
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Sex-linked inheritance displays a characteristic 'criss-cross' pattern where X-linked traits appear in alternate generations, for example, a grandfather passes an X-linked trait to his grandson through a carrier daughter. This differs from atavism (return to ancestral type), reversion, or gene flow.

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