Solve for the genetic problems below. One point each for: a. genotype of the parents b. Punnett square c. genotypic ratio d. phenotypic ratio e. type of Mendelian or non-Mendelian principle
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- Complete the punnet square using the alleles you just listed. Comment: I can see that heterozygous is Rr and Homozygous is RR. But I still don’t understand how to do the punnet square.Briefly describe the polygenic threshold theory. How polygenic traits can be genetically determined? What are major factors affecting gene frequencies? How the Hardy-Weinberg relationship can be used in genetic counseling? Is it useful for genetic risk prediction?Draw a punnett square for each problem. Please be careful to notice whether a trait is homozygous or heterozygous. In rabbits it has been shown that albino (white) is recessive to the brown color, such as in the wild rabbit. If a homozygous albino rabbit and a homozygous brown rabbit are bred, what will be the color ratio of the first generation? Answer:___________brown _____________tan______________white 2. If a pure (homozygous) white guinea pig is bred with a hybrid (heterozygous) black guinea pig, what would be the probable color ratio of the next generation? Black is dominant. White is recessive. Answer:___________black _____________gray _____________white Thank you.
- Give typed full explanation The Genes you are examining exhibit a continuous pattern of variation. For these Genes, a Dominant Allele represents a 1 foot increase in overall height. If you cross the following individuals, AaBb and AaBb, what percentage of the offspring will be 7 feet tall. Assume an individual with no Dominant Alleles (aabb) is 4 feet tall. Report your answer as a percentage i.e., 22.1%.Sample problems related to non Mendelian inheritanceRead, analyze and answer completely the following problems: 1. Explain why it is possible for the proband in the following pedigree to have children of blood types A, B, and AB. Considering epistatic genes, what are the possible genotypes of II-2? 2. Agouti (A) is wild type and produces alternating bands of pigment on each hair. Black (a) is recessive to agouti. A mutation on gene B (recessive b) can eliminate all color. In a cross between agouti (AABB) and albino (aabb) mice, what genotypes, phenotypes, and proportions are expected in the offspring in F1 and F2 generations?Give two assumptions for the Mendelian Inheritance for Segregation and Independent Assortment experiments acceptable.
- How do I solve for phenotypes? My prof never went over this and expects us to know how to do it when the book didn't explain it well...Answer this problem by listing the given genotypes, test crosses, and genotypic and phenotypic ratios. 1.)A couple whose genotype for eye color is Bb plans to have a child. What are the possible genotypes and phenotypes of the child in terms of eye color? Note that brown eyes (B) are dominant over blue eyes (b)Create a dihybrid cross and determine the expected phenotypic percentages of the offspring of two corn plants both of which are heterozygous for colour and texture (PpMm X PpMm). Don’t forget to include clear let statements, and follow the steps taught on solving genetics problems.
- Solve these problems by listing the given genotypes, test crosses, genotypic and phenotypic ratios. 1. A plant with serrated leaf margins (A^aA^a) is crossed with a plant with smooth leaf margins (A^bA^b). What will be the phenotypic and genotypic ratios if a homozygous plant with serrated leaves is crossed with a plant with wavy leaves? Given: Test Cross: Genotypic Ratio: Phenotypic Ratio:Using the punnet square solve the following:Please work out this Di-Hybrid cross . -Mom is homozygous dominant for both traits -Dad is homozygous recessive for both traits Trait Key:S= Straights= CurlyL= Long l= Short 1st Question to answer ---- How many of the offspring come out straight & long? 2nd Question to answer ---- How many of the offspring come out curly & short?In goats, black fur is dominant to red fur. The gene for this trait can be described as Bb (if you forgot why this is so, go back and reread the background information at the beginning of this exercise). A homozygous black female goat (nanny) is crossed with a heterozygous male (billy). 1 What is the genotype of the nanny? Fill input: What is the phenotype of the nanny?