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19 questions
When a long-hair angora rabbit is bred with a short-hair rex rabbit, the offspring have hair that is medium length. What type of inheritance is this?
Incomplete Dominance
Complete Dominance
Codominance
How are incomplete dominance and codominance different than complete dominance?
There are multiple recessive phenotypes
The heterozygous genotype shows a unique phenotype
Multiple genes influence the same trait
There is no heterozygous genotype or phenotype
A black sheep is bred with a white sheep. All of their offspring have a phenotype of gray coats. What is the most likely pattern of inheritance for coat color in sheep?
Codominance
Lethal Allele Inheritance
Complete dominance
Incomplete dominance
The phenotype of a heterozygote is a mix between both traits is explaining which type of dominance?
Codominance
Incomplete Dominance
Complete Dominance
The phenotype of a heterozygote is that of the dominant allele always shows over the recessive one is explaining which type of dominance?
Codominance
Incomplete Dominance
Complete Dominance
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
Incomplete Dominance
Codominance
Complete Dominance
A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have pink (RW) flowers?
0%
25%
50%
100%
In cattle, roan coat color (mixed red and white hairs) occurs in the heterozygous (Rr) offspring of red (RR) and white (rr) homozygotes. Which of the following crosses would produce offspring in the ratio of 1 red : 2 roan : 1 white?
Red mom x Red dad
Roan mom x Roan dad
White mom x Roan dad
Red mom x Roan dad
The red and white camellia flower below is an example of which type of dominance?
Complete Dominance
Incomplete Dominance
Codominance
The pink carnation flower below is an example of which type of dominance?
Complete Dominance
Incomplete Dominance
Codominance
In the image above, the trait for flower color is controlled by codominance. R codes for red flowers and W codes for white flowers. Which of the following correctly reports the phenotypes?
100% red flowers
50% white flowers and 50% pink flowers
50% red flowers and 50% red and white flowers
50% white flowers and 50% red flowers
This type of dominance is ........................... because the heterozygote shows a phenotype that is .............................. .
co-dominance, blended
co-dominance, equal
incomplete dominance, blended
incomplete dominance, equal
If you cross a black chicken with a white chicken, only checkered chickens would be produced. What kind of inheritance pattern does this follow?
Incomplete Dominance
Co-Dominance
Complete Dominance
What type of inheritance is shown?
Complete Dominance
Incomplete Dominance
Codominance
What do you call the inheritance pattern that states that neither trait is dominant and the traits appear to blend together?
Codominance
Incomplete dominance
Complete Dominance
In a heterozygous offspring, there is a blending of the traits.
Codominance
Incomplete Dominance
Complete Dominance
In a heterozygous offspring, both traits are expressed at the same time.
Codominance
Incomplete dominance
Complete Dominance
A breed of chicken shows codominance for feather color. One allele codes for black feathers, another codes for white feathers. The feathers of heterozygous chickens of this breed will be:
all black
all white
all gray
speckled black and white
This is an example of ___________?
Incomplete dominance
Codominance
Complete Dominance
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