Monohybrid Problems with Incomplete Dominance 4. Petunia flower color is governed by two alleles, but neither allele is truly dominant over the other. Petunias with the genotype R'R' are red-flowered, those that are heterozygous (R'R²) are pink, and those with the R°R² genotype are white. This is an example of incomplete dominance. (Note that superscripts are used rather than upper- and lowercase letters to describe the alleles.) a. If a white-flowered plant is crossed with a red-flowered petunia, what is the genotypic ratio of the F, offspring? - b. What is the phenotypic ratio of the F, offspring? . c. If two of the F, offspring are crossed, what phenotypes will appear in the F2 generation?. d. What will be the genotypic ratio in the F2 generation?.

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Inheritance and Mendelian Genetics

Inheritance means the passing of traits to offspring from parents. These traits could be passed either through asexual reproduction or sexual reproduction. The offspring receives the genetic material from the parents. Mendelian inheritance is a certain biological inheritance that follows the rules and principles laid down by Gregor Mendel in 1865. The initial hypothesis was considered wrong, but other inheritance theories modified the concept of inheritance and thus genetics.