a. Is this problem an incomplete dominance or codominance problem? b. Show the cross, Punnet square, genotypic ratio, and phenotypic ratio for a cross between a red plant and a white plant. c. What are the expected genotypic and phenotypic ratios of red, pink, and white flowers in a cross involving two pink flowers. Show your work. 4.

In fact, some heterozygous genotypes allow both alleles to partially show by blending together how they are expressed; this is called incomplete dominance. Other heterozygous genotypes allow both alleles to be completely expressed at the same time like spots or stripes; this is called codominance. Examples of each are listed below.

Punnett Problems 1: Complete Dominance and Incomplete Dominance Directions: For each of the following problems, complete the Punnett Square provided and fill in the information requested. The first problem is done for you. Complete Dominance Problems A. In fruit flies, a black body (B) is completely dominant over gray bodies (b.) Cross a

Co-dominance is observed in tabby cats. A cross between a black cat and a tan cat produces a tabby pattern (black and tan fur together). a. Cross a black cat with a tabby cat. What are the phenotypes and genotype ratios of the offspring? b. Is it possible to get a black cat if the parent generation is a tan cat crossed with a tabby cat? If you ...

incorrectly called ‘albino’)—display incomplete dominance. A horse heterozygous for these two alleles is a palomino (golden body color with flaxen mane and tail). Is it possible to produce a herd of pure-breeding palomino horses? Why or why not? Work the Punnett’s square for mating a …

5 practice problem Assume that a plant shows incomplete dominance when inheriting its flower color. What is the expected phenotypic ratio of the F 2 generation when two F 1 hybrids (Rr) are crossed?

This worksheet gives you practice in problems dealing with incomplete dominance. Below is a complete example for you to follow. Important information: With incomplete dominance R' is used to denote the recessive allele. Notice the tick-mark above the R. It is used so that you can tell which kind of dominance is present in the alleles.

Incomplete dominance: If a Red (RR) and White flower (rr) were crossbred, resulting in 100% Rr, what phenotype(s) would been seen according to the rules of incomplete dominance? 3.

Incomplete Dominance Problems . 1. In snapdragons, flower color is controlled by incomplete dominance. The two alleles are red (R) and white (w). The heterozygous genotype is expressed as pink. a. What is the phenotype of a plant with the genotype RR? _____ b. What is the phenotype of a plant with the genotype ww? _____ c.

CODOMINANT/INCOMPLETE DOMINANCE PRACTICE WORKSHEET 1. Explain the difference between incomplete and codominance. Co-Dominance Problems 2. In a certain fish, blue scales (BB) and red scales (bb) are codominant. When a fish has the hybrid genotype, it has a patchwork of blue and red scales. (Use the letter B) a. What is the genotype for blue fish ...