A hybrid formed by the cross between pure tall green seeded and pure dwarf yellow seeded pea plant is crossed with pure dwarf green seeded plants. Number of phenotypes would be

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Solution

The correct option is B 4
Gametes
TtYy --->
ttyy TY Ty tY ty
ty TtYy
(tall and yellow seeded plant) Ttyy
(tall and green seeded plant)
ttYy
(dwarf and yellow seeded plant)
ttyy
(dwarf and green seeded plant)
Tall (T) and yellow (Y) seed are traits dominant over dwarf (t) and green (y) colour seeds. A cross pure tall and green seeded (TTyy) and dwarf and yellow seeded (ttYY) plant produce all tall and yellow plants in $F_{1}$ generation. A cross between F $_{1}$ tall and yellow (TtYy) hybrid and pure dwarf green seeded (ttyy) plant produce four phenotypes. Correct answer is B.

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Gametes TtYy ---> ttyy	TY	Ty	tY	ty
ty	TtYy (tall and yellow seeded plant)	Ttyy (tall and green seeded plant)	ttYy (dwarf and yellow seeded plant)	ttyy (dwarf and green seeded plant)