Question

Explain Mendelis observation when
he crossed a homozygous tall (T) plant
with homozygous docarf (tta plant
followed by self cross​

Answer 1

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Crossing a homozygous tall (TT) plant with plant homozygous dwarf (tt) plant gives heterozygous tall (Tt) plants in F1 progeny. Here, tallness was dominant over dwarfism and only tall plants were obtained in F. Self-pollination of two F1 plants gave F2 generation.