A mating among the following can not lead to heterosis
A. AAbb × aaBB
B. aaBBcc × AABBCC
C. AABBccdd × AABBccdd
D. AABBccdd × aabbCCDD
Answer: Option C
Solution (By Examveda Team)
Mating among the following cannot lead to heterosis is AABBccdd × AABBccdd.Heterosis refers to the phenomenon that progeny of diverse varieties of a species or crosses between species exhibit greater biomass, speed of development, and fertility than both parents.
Various models have been posited to explain heterosis, including dominance, overdominance, and pseudo-overdominance.

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