Question

when plant as f1 generation having genotybe Tt crossed with parent plant of phenotybe dwarf then their progeny will be A=all tall b=few tall few dwarf c=half_tall half /dwarf d none of the ab​ with explanation​

Answer 1

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Gametes T t

t Tt (tall) tt (dwarf)

t Tt (tall) tt (dwarf)

In pea plants height is characterized by having two alleles T(tall) and t(dwarf). Since heterozygous tall pea plant (Tt is the genotype in heterozygous) is crossed with a dwarf pea plant (tt is the genotype in dwarf). Phenotypic ratio of the crossed plants is calculated as shown in the above table.