From crossing a phlox plant with a flat corolla shape with a plant having a funnel-shaped corolla, offspring with a flat corolla
| November 11, 2020 | Education
From crossing a phlox plant with a flat corolla shape with a plant having a funnel-shaped corolla, offspring with a flat corolla were obtained. Determine: 1) which feature is dominant; 2) genotypes of parental individuals and F1 offspring; 3) the formula for splitting F2 hybrids by genotype and phenotype.
1) The dominant feature is the flat shape of the corolla;
2) if the dominant trait is designated by the letter A, then the genotype of the parent individuals (wives) AA and (husband) aa; genotype F1 – Aa;
3) the formula for splitting F2 by genotype is 1: 2: 1, by phenotype – 3: 1.
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