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5. Pretend that the trait for shiny coat color in dogs is controlled by a simple...
Please show work. Thank you. 12. A small portion of deer have a trait called leucism, which is white coat. The frequ...
Please show work. Thank you.
12. A small portion of deer have a trait called leucism, which is white coat. The frequency of the leucitic phenotype is 0.00005 (or 1/20,000). Leucism is recessive to wild type color. Assuming that the deer population is in Hardy-Weinberg equilibrium fr A. Estimate the frequencies of the recessive leucistic allele (I) and the dominant wild type allele (L) B. Estimate the frequency of deer with heterozygous genotype C. For the calculations above, you assume...
a) The trait for eye color in a population has two alleles at one locus. The...
a) The trait for eye color in a population has two alleles at one locus. The frequency of the homozygous dominant is 0.1521. If the population is in Hardy-Weinburg equilibrium, what is the frequency of the recessive allele in the population? b) The trait for lactose tolerance in a population has two alleles at one locus. The lactose tolerance trait is dominant and the lactose intolerance is recessive. The frequency of the lactose tolerance phenotype is 0.75. If the population...
1.Certain characteristics, like coat color in many animals, is influenced by multiple genes. The phenomenon during...
1.Certain characteristics, like coat color in many animals, is influenced by multiple genes. The phenomenon during which the presence of a homozygous recessive genotype at one locus "overrides" or masks the phenotype that would otherwise be produced by the alleles at another locus (regardless of whether they are dominant or recessive) is called: pleiotropy codominance Punnett effect recessive Epistasis 2. Which of the following would be considered a pleiotropic gene? A gene that-along with several others-influences a single phenotype, such...
The coat color in mink is controlled by two codominant alleles at a single locus. Red...
The coat color in mink is controlled by two codominant alleles at a single locus. Red coat color is produced by the genotype R Rı, silver coat by the genotype R1 R2, and platinum color by R2R2. White spotting of the coat is a recessive trait found with the genotype ss. Solid coat color is found with the S-genotype. What is the expected phenotype distribution for the cross SsRį R2 X ssR2R2? Express your answer as four numbers separated by...
2. In Labrador dogs, there are 2 loci that determine coat color. The first locus, B...
2. In Labrador dogs, there are 2 loci that determine coat color. The first locus, B is dominant to b. At least one B allele will produce black coat color, while the bb genotype produces a chocolate coat color. This first locus also determines nose color in Labradors: B_ black noses, and bb brown noses. The second locus has a genotype, ee, that is epistatic in nature. Any Labrador with an ee genotype will be yellow. A genotype containing at...
In rats, pattern of coat color is controlled by a gene with two alleles. P is...
In rats, pattern of coat color is controlled by a gene with two alleles. P is the allele for hooded, in which the animal is mostly white with color restricted to the shoulders and neck. P is the normal solid body color allele. These two alleles exhibit incomplete dominance, so that heterozygotes have white bellies only. In a population of rats, the following phenotypes are observed: 60 solid color 40 white belly 100 hooded Question: If this population of rats...
1. A monogenic trait (hair color) is controlled by the B locus with dominant B (brown)...
1. A monogenic trait (hair color) is controlled by the B locus with dominant B (brown) and recessive b (red) alleles. Another monogenic trait (hair texture) is controlled by the C locus with dominant C (curly hair) and recessive c (straight hair). a) What are the possible classes of genotypes with these two loci? b) What are the possible genotypes with these two loci? c) What are the possible genotype(s) of a person with brown hair? d) What are the...
2.3 Problem 3 The Hardy-Weinberg equation is useful for predicting the percent of a hu- man...
2.3 Problem 3 The Hardy-Weinberg equation is useful for predicting the percent of a hu- man population that may be heterozygous carriers of recessive alleles for certain genetic diseases. Phenylketonuria (PKU) is a human metabolic dis- order that results in mental retardation if it is untreated in infancy. In the United States, one out of approximately 10.000 babies is born with the disor- der. Approximately what percent of the population are heterozygous carriers of the recessive PKU allele? If you...
Fur color in dogs can be black, brown or white. The B gene is responsible for...
Fur color in dogs can be black, brown or white. The B gene is responsible for fur color. Dogs that inherit a dominant B will have black fur. Dogs that inherit 2 recessive alleles, bb, will have brown color. There is a second gene that contributes to fur color in dogs: gene I. Individuals who inherit a dominant allele, I, at this location, will always have white color. Individuals who inherit the homozygous recessive condition, ii, will be able to...
An Amazon rainforest population of leaf beetles has 100,000 individuals.
An Amazon rainforest population of leaf beetles has 100,000 individuals. The beetles exist in two color morphs, purple and green. Purple beetles live on epiphytic orchid blooms whereas the green beetles inhabit the leaves of the orchid plants. The color is controlled by two alleles at a single gene locus. The purple allele (P) is dominant to the green allele (p) 36% of the beetle population is green and the other 64% of the population is purple. Assuming the population...
Please show work. Thank you.
12. A small portion of deer have a trait called leucism, which is white coat. The frequency of the leucitic phenotype is 0.00005 (or 1/20,000). Leucism is recessive to wild type color. Assuming that the deer population is in Hardy-Weinberg equilibrium fr A. Estimate the frequencies of the recessive leucistic allele (I) and the dominant wild type allele (L) B. Estimate the frequency of deer with heterozygous genotype C. For the calculations above, you assume...
The coat color in mink is controlled by two codominant alleles at a single locus. Red coat color is produced by the genotype R Rı, silver coat by the genotype R1 R2, and platinum color by R2R2. White spotting of the coat is a recessive trait found with the genotype ss. Solid coat color is found with the S-genotype. What is the expected phenotype distribution for the cross SsRį R2 X ssR2R2? Express your answer as four numbers separated by...
In rats, pattern of coat color is controlled by a gene with two alleles. P is the allele for hooded, in which the animal is mostly white with color restricted to the shoulders and neck. P is the normal solid body color allele. These two alleles exhibit incomplete dominance, so that heterozygotes have white bellies only. In a population of rats, the following phenotypes are observed: 60 solid color 40 white belly 100 hooded Question: If this population of rats...
2.3 Problem 3 The Hardy-Weinberg equation is useful for predicting the percent of a hu- man population that may be heterozygous carriers of recessive alleles for certain genetic diseases. Phenylketonuria (PKU) is a human metabolic dis- order that results in mental retardation if it is untreated in infancy. In the United States, one out of approximately 10.000 babies is born with the disor- der. Approximately what percent of the population are heterozygous carriers of the recessive PKU allele? If you...
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