The best example for multiple alleles involves coat color in rabbits. Coat color in rabbits is determined by a single gene that has at least four different alleles. These four alleles demonstrate a dominance hierarchy in which some alleles are dominant over others. The four alleles for coat color in rabbits in order of dominance are as follows: 8. C-Full color ( often called wild type or agouti) cch - light gray or chinchilla ch - albino with black extremities or Himalayan C - albino What offspring would be expected from the following crosses: a) Cc x cc b) Сс х Сс c) Ccch x Ccch d) cchc x cc e) Cch x Cc f) cc x cchc CAnry Brawn Seie

The best example for multiple alleles involves coat color in rabbits. Coat color in rabbits is determined by a single gene that has at least four different alleles. These four alleles demonstrate a dominance hierarchy in which some alleles are dominant over others. The four alleles for coat color in rabbits in order of dominance are as follows: 8. C-Full color ( often called wild type or agouti) cch - light gray or chinchilla ch - albino with black extremities or Himalayan C - albino What offspring would be expected from the following crosses: a) Cc x cc b) Сс х Сс c) Ccch x Ccch d) cchc x cc e) Cch x Cc f) cc x cchc CAnry Brawn Seie

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter19: Introduction To Genetics

Section: Chapter Questions

Problem 4CT: The young woman shown at right has albinismvery pale skin, white hair, and pale blue eyes. This...

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Which of the following statements is true? The Creeper gene in chicken follows Mendelian Laws of heredity. The prevalence of roan color in cattle is incomplete dominance. The different colors of the skin signify multiple alleles. Expression of intermediate color follows non-Mendelian laws.
The colors of chicken feathers follow a codominant pattern. Both Black (B) and White (W) feathers are dominant phenotypes while checkered (BW) is the heterozygous phenotype. Show a cross between 2 checkered chickens. 1. P1: 2. Punnett Square: 3. Genotype symbols: 4. Genotype in words: 5. Genotypic ratio: 6. Genotypic %: 7. Phenotype symbols: 8. Phenotype in words: 9. Phenotypic ratio: 10. Phenotypic %:
Which of the following statements is/are false regarding alleles? (Select all correct answers.) For a given species, every gene has only two alleles All disease causing alleles are recessive to the wild-type allele A single allele can be recessive to the wild-type allele for one phenotype, but dominant to the wild-type allele for a different phenotype. For any pair of alleles of a given gene, the same dominant/recessive relationship will be found for all phenotypes affected by that gene
In domestic cats, the allele (L) is a dominant allele for short-hair trait. The recessive allele for long hair is (I). A female cat with a LI genotype has kittens with a male cat with a II genotype. What is the probability that a kitten has short hair? Hint: it may be helpful to draw a Punnett Square.
Coat color in labradors is determined by alleles of two unlinked genes, B and E. The coat colors of dogs with various genotypes are as follows: BB EE black Bb Ee black bb Ee brown (chocolate) Bb ee yellow bb ee yellow Which of the following cannot be inferred from this information? e and b alleles complement one another O e is dominant to b Oe is epistatic to b B is dominant to b
The dominance pattern of a gene can be determined from the phenotypes of the parents and offspring. In the examples below, assume that each parent is homozygous for the specific allele and that the progeny are heterozygous. Classify each example as either complete dominance, incomplete dominance, or codominance. Complete dominance Incomplete dominance Codominance Answer Bank A black sheep and a white sheep produce a gray lamb. A white cow and a red bull have a calf that is white with red spots (roan colored). A mother with type A blood and a father with type B blood have a daughter with type AB blood. A pea plant with all purple flowers and a pea plant with all white flowers produce a pea plant with all purple flowers. A moth with red wings and a moth with yellow wings produce a moth with orange wings.
In humans the ABO blood system is controlled by multiple alleles. Allele Ia produces antigen A, alleles Ib produces antigen B, and allele i produces no antigen. The hierarchy of dominance is Ia = Ib> i. QUESTION Two children are born in a hospital, both in group 0. The nurses confuse the children and now they do not know who the parents are. They call you to solve this situation: With the following information, tell which partner is each child. Explain your answer considering the phenotype and genotype of the parents. Couple 1 - Mr. A heterozygous and Mrs. AB Couple 2 - Mr. A heterozygous and Mrs. B heterozygous.
Tallness (T) is dominant to shortness (t) in pea plants. Draw a punnett square cross between a heterozygous tall and a heterozygous tall plant. The Phenotype ratio is Tall: Short The Genotype ratio is TT: Tt: tt Blank 1: T Blank 2: t Blank 3: T Blank 4: TT Blank 5: Tt Blank 6: t Blank 7: Blank 8: Blank 9: Blank 10: Blank 11: Blank 12: Blank 13:
Incomplete Dominance: 1) On the planet Iota Geminorum IV there exists a small hairy animal known as a tribble. It comes in three colors blue, red, and purple. This trait is controlled by a single locus with incompletre dominance. A homozygous CBCB is blue, a homozygous CRCR is red, and a heterozygous CBCR is purple. a. What would be the genotypes and phenotypes of the offspring if a blue tribble were crossed with a red one? b. If the offspring in #1 were crossed what would the genotypic and phenotypic ratios be of this generation?
In common laboratory mice, there are three recessive genes known as: h, hotfoot pattern and o, obese and wa, waved fur. A trihybrid parent of unknown genotype is test crossed, producing the following offspring. Hotfoot, obese, waved -357 Hotfoot, obese -74 Waved -6 Obese- -79 Wild-type 343 Hot food, waved -61 Obese, waved 11 Hotfoot- (a) What is the genotype of the unknown parent? Be specific with your allelic arrangement. (b) Determine the chromosome map (HINT: be careful with your groupings, be sure to double check your SCOS!) (c) Is there any crossover interference going on? Determine the coefficient of coincidence and interference values.
An individual with type A blood and an individual with type B blood mate and have offspring. Without knowing their exact genotypes, what are all the possible blood types of their offspring? O Type B Туре О O Type A O Type AB
Labrador retrievers have 3 varieties of fur colour: yellow, chocolate or black. Two genes are involved, each with a dominant (Y and B) and a recessive allele (y and b). The allele Y codes for the ability to produce hair pigment: Yy and YY dogs have dark pigmented fur but all yy individuals are lighter coloured and yellow. The B allele codes for the ability to make hair with the darkest colouration: BB and Bb individuals have black fur; bb dogs have a lighter shade which is chocolate. In the blank Punnet Square below, calculate and state the ratio of phenotypes that occur with a cross between two individuals with the genotype YyBb.