Question

the mendel's monohybrid cross based on one any one character.​

Answer 1

Explicación:

For monohybrid cross, Mendel began with a pair of pea plants with two contrasting traits, i.e., one tall and another dwarf.

• In F1 (Filial 1) generation,
• The cross-pollination of tall (TT) and dwarf plants (tt) resulted in tall plants(Tt). Since T is dominant character , the resulting trait comes as Tall plant(heterozygous).

Tall HOMO vs Dwarf Homo

TT vs tt

Tt(Tall hetero)

• In F2 generation,
• Both of the resulting traits from F1 generation (Tt) are cross pollinated, to give following traits.

Tall hetero vs Tall hetero

Tt vs Tt

TT Tt Tt tt

• u will get 1( tall HOMOZYGOUS), 2 (Tall heterozygous ) ,1 (dwarf homozygous)
• Phenotypic ratio: 3(tall) : 1 (dwarf) => 3:1
• Genotypic ratio: 1(tall HOMOZYGOUS):2(tall heterozygous):1(dwarf homozygous) => 1:2:1

Answer 2

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