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A heterozygous pea plant that is tall with purple flower, TtPp, is allowed to self-fertilize. Tall...

A heterozygous pea plant that is tall with purple flower, TtPp, is allowed to self-fertilize. Tall (T) is dominant over dwarf (t), Purple (P) is dominant over white (p). In the offspring, the probability of plants that are short with purple flowers will be?

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Answer #1

since Tall (T) is dominant over dwarf (t)

so, TT,Tt,tT, all represent tall

and tt represent dwarf

Purple (P) is dominant over white (p)

so, PP,Pp,pP all represent purple

pp represent white

next generation possibilities

Male/ Female TP Tp tP tp
TP TTPP(Tall with purple seeds plant) TTPp(Tall with purple seeds plant) TtPP(Tall with purple seeds plant) TtPp(Tall with purple seeds plant)
Tp TTPp(Tall with purple seeds plant) TTpp(Tall with white seeds plant) TtPp(Tall with purple seeds plant) Ttpp(Tall with white seeds plant)
tP TtPP(Tall with purple seeds plant) TtPp(Tall with purple seeds plant) ttPP(Dwarf with purple seeds plant) ttPp(Dwarf with purple seeds plant)
tp TtPp(Tall with purple seeds plant) Ttpp(Tall with white seeds plant) ttPp(Dwarf with purple seeds plant) ttpp(Dwarf with white seeds plant)
Toatal number of offsprings - 16.
Tall with purple seeds plant - 9.
Tall with white seeds plant - 3.
Dwarf with purple seeds plant - 3.

Dwarf with white seeds plant - 1.

the probability of plants that are short with purple flowers=3/16 or 18.7%

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