Answer:
The result shows that the four types of
offspring are in a ratio of 1:1:1:1. Such a result is observed in a test cross
progeny of a dihybrid cross.
The cross can be represented as
Parents Tall and red
(TtRr) x Dwarf and white (ttrr)Offsprings
♂
♀
TR
Tr
tR
tr
tr
Ttrr
(tall and red)
Ttrr
(tall and white)
ttRr
(dwart and red)
ttrr
(dwarf
and white)
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