In peas, yellow seed color (A) dominates over green (a), smooth seed surface (B) – over wrinkled (b).
September 27, 2021 | education
| In peas, yellow seed color (A) dominates over green (a), smooth seed surface (B) – over wrinkled (b). Heterozygous yellow smooth peas were crossed with green wrinkled. what will be the splitting by phenotype and genotype in the first generation
A – yellow seeds, dominant.
a – green seeds, recessive trait.
B – smooth seeds.
b – wrinkled seeds.
P AaBb x aabb.
G AB, Ab, ab, ab ab.
F1 AaBb, Aabbb, aaBb, aabbb.
In the first generation, 50% of plants with yellow seeds (AB, Ab), 50% with green seeds (AB, AB) were obtained.
AaBb – yellow, smooth.
Aabb – yellow, wrinkled.
aaBb – green, smooth.
aabb – green, wrinkled.
Cleavage phenotype 1: 1: 1: 1.
Cleavage by genotype 1: 1: 1: 1.
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