Law of Dominance — Definition & Role
Read this topicExplanations 3
- What Is the Law Of Dominance? One of the Principles of Mendelian Inheritance is the Law of Dominance (also sometimes called the Principle of Dominance). Let's pretend that cherr…
By Gabi Slizewska, Mario Janakis, Caroline K
- What Does It Mean If an Allele Is Dominant? The Law of Dominance says that when an organism is heterozygous for a trait (meaning it has two different alleles for that gene), the…
By Sylvia Freeman, Deena Hauze, Mario Janakis, Caroline K
- (Video) Mendel's Law of Dominance by Biology Professor In this video, Biology Professor discusses one of Mendel's laws of inheritance: the Law of Dominance. This law basically s…
By Deena Hauze, Mario Janakis
Problems 20
- Which of the following must violate Mendel's Law of Dominance?
- Which of the following states that when two different alleles of a gene are present only one will produce a phenotype?
- According to the Law of Dominance, which allele is dominant?
- A hypothetical Gene Z codes for an important metabolic protein. Allele A makes a functioning protein while allele B makes a protein that doesn't work. Luckily, you only need to …
- Let's pretend that there's a Gene C that controls coat color in a species of kangaroo. For the gene, allele A codes for gray fur and allele B codes for red-brown fur. A kangaroo…
- You are studying the inheritance pattern of color in a plant species. When you cross a purebred green plant with a purebred yellow plant, what would you expect to get according …
- A species of flower has a gene that codes for color. An individual plant you are studying has 2 different alleles for color. What would the Law of Dominance say about this plant?
- You cross a purebred blue flower with a purebred purple flower and get a blue flower. Which of the following is supported by the Law of Dominance? Hint: Purebred means that the …
- Below are examples of genotypes that could be crossed together. Which of the following crosses would help Mendel figure out which variation of a trait is dominant?
- You cross two yellow plants. Some of the offspring are green. What can you conclude?
- You cross two red flowers, but some of the offspring are purple. Which of the following has to be true?
- A test cross is a cross of two organisms which are homozygous for different variations of the same trait. For example, a plant homozygous for blue color and a plant homozygous f…
- Mendel used a test cross to determine which phenotype of a trait was dominant. For a test cross to work, which of the following needs to be true?
- What is the result of a test cross?
- Which of Mendel's laws discusses the relationship between genotype and phenotype?
- Mendel crossed two plants with different variations of color. He discovered that the offspring showed only one of the color variations found in the parental plants. Which law di…
- Mendel decided to cross a purebred red flower with a purebred yellow flower. He expected to see orange offspring. Was he right?
- How would Mendel designate which of 2 alleles in a genotype is dominant?
- Which of the following is a recessive allele?
- Which genotype would not produce a dominant phenotype?