Question

How do Mendel's experiments
show that traits may be dominant or recessive?

Answer 1

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

Answer 2

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Q How do Mendel's experiments  show that traits may be dominant or recessive?

Ans :

• Mendel conducted experiments on garden pea plants, selecting several visible contrasting characters. He Selected and crossed the pure bred tall pea plants having the genotype TT with a pure - bred dwarf pea plant having the genotype tt. F₁ generation consists of only tall plants having the genotype Tt. The expressed allele T for the tallness is dominant over the unexpressed allele t for dwarfness.

• Hence, trait of tallness is dominant character, while the trait of dwarfness is recessive character. Thus, Mendel's experiments show that  traits may be dominant or recessive.

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