a cross was carried out between a pure bred tall pea plant and Pyar breadkraft plant and F1 progeny was obtained carried out between a pure breed tall pea plant and pure breed graph plant and F1 progeny was obtained later the F1 progeny was self and to obtain F2 progeny answer the following question what is the phenotype of F1 progeny second give the phenotype ratio of F2 progeny 3rd give the genotype ratio of F2 progeny
Answers
Answer:
(a) When tall plants were crossed with the dwarf pea plants in the Mendel's experiment, then in the first generation i.e. F1 progeny, only tall plants were obtained and no dwarf plant was obtained.
(b) In F2 progeny, there were both tall and dwarf pea plants. The ratio of dwarf and pea plants was found to be 3:2
(c) In F2 progeny, there were both tall and dwarf pea plants. The ratio of dwarf and pea plants was found to be 3:2 which confirmed that in F2 progeny, both the characteristics were inherited and the tall character of pea plant was found to be dominative and dwarf to be recessive. This was the law of segregation which says that when plants of different traits were crossed, then in the first progeny only the dominant character was observed whereas in F2 progeny both dominant and recessive traits were obtained.
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