Which genotypes in the F2 population will produce dark pink flowers?

Understand the complexities of modern genetics. Study with flashcards and multiple choice questions, each with hints and explanations. Prepare thoroughly for your Genetics Extensions test!

To determine which genotypes in the F2 population will produce dark pink flowers, it’s important to understand the genetic interactions and the inheritance patterns at play. In many genetic examples involving flower color, the alleles can exhibit incomplete dominance or co-dominance.

In this case, it appears that two different genes are involved in determining flower color. Typically, one gene (C) affects the pigmentation (with alleles like CR for red and CW for white), while the other gene (D) may impact another aspect of the flower, potentially modifying the result based on its genotype.

The genotypes that will produce dark pink flowers would generally require a combination of heterozygous and homozygous conditions that allow for the expression of the dark pink phenotype. The presence of at least one copy of the CR allele from the C gene and the DR allele from the D gene can lead to the dark pink color. The correct answer includes combinations that likely ensure the presence of these alleles.

In the identified option, the genotypes include both CRCR, which would provide full expression of the red trait, and an appropriate combination from the D gene that supports this color development. When evaluating the other options, they do not consistently present the combinations that support the

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