Question

How do mendel's experiment show that traits may be dominant or recessive

Answer 1

Mendel crossed tall pea plants(TT) with dwarf pea plants(tt) then he found that the successive generation consists of all tall pea plants(Tt) not dwarf pea plants. These tea plants where of F1 generation. Again, Mendel crossed the tall pea plant(Tt) with tall pea plant(Tt) of F1 generation. then he found that in the successive generation F2 it consists of three tall pea plants(Tt) and a single dwarf pea plant(tt) in ratio3:1.
So, Mendel's experiment shows that traits may be dominant or recessive.

Answer 2

(a) Mendel demonstrated that traits can be either dominant or recessive through his monohybrid cross. He crossed true-breeding tall (TT) and dwarf (tt) pea plants. ... They appeared tall only because the tall trait was dominant over the dwarf trait. This shows that traits may be dominant or recessive..

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