Part 1: Assume a population is in Hardy-Weinberg equilibrium and you have observed 600 animals for coat color. The results are:
Black 504
Red 96
The gene for black coat color is dominant.
Calculate gene and genotypic frequencies.
part 2: Assume a population in equilibrium, where 4% of the animals have red coat color. (The allele for red coat color is recessive). Calculate gene and genotypic frequencies in this population.
Part 1: Assume a population is in Hardy-Weinberg equilibrium and you have observed 600 animals for...
Evolution
1. Assume this population is in Hardy-Weinberg equilibrium. In a population of 120 cats, 35 are black. Black cats have the bb genotype. Find the allelic frequency of the dominant and recessive allele. 2. Assume this population is in Hardy-Weinberg equilibrium. A litter of 10 puppies has both tipped ears (a) and floppy ears (A). If 4 puppies have tipped ears in the litter. What is the frequency of the recessive allele? 3. Assume this population is in Hardy-Weinberg...
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...
A population of flour beetles has 1000 individuals. Normally the beetles are red in color; however, this population has a utation in the gene for body color that results in black beetles that are designated by the rr genotype. Red body color is dominant to black so the genotypes RR and Rr result in red beetles. Assume the population is in Hardy-Weinberg equilibrium, with a 50% frequency of each allele for body color. A) --- what is the frequency of...
Hardy Weinberg assignment P + Q = 1 In which P represents frequency of dominant allele and Q represents frequency of the recessive allele P2 + 2PQ + Q2 =1 P2 represents frequency of homozygous dominant 2PQ represents frequency of heterozygous Q2 represents frequency of homozygous recessive Consider a population of beetles on an island. There are 1000 beetles and they have different colored wings. Black wings are dominant over silver wings. Calculate the allele and the genotypic frequencies in...
You are a population geneticist studying Gene B in a population that is in Hardy-Weinberg equilibrium. You sample a population to determine the genotypes at Gene B. You find that the freuency of homozygous recessive genotypes (bb) is 0.10. What would be the frequency of the dominant allele (B) in this population? A. 0.84 B. 0.4 C. 0.36 D. 0.6 E. 0.48
Assume you have a population of stinkbug larvae scored for their genotypes at the PGI-2 allozyme locus: PGI-2a/PGI-2a: 125 individuals PGI-2a/PGI-2b: 250 individuals PGI-2b/PGI-2b: 125 individuals Now assume that only 70% of the heterozygotes survive to adulthood and become stinkbugs. a) Calculate the observed genotype and allele frequencies for the initial larvae. b) Calculate the expected Hardy-Weinberg genotypic frequencies for the larvae. Are the larvae in Hardy-Weinberg equilibrium? c) What are the genotypic and allele frequencies among adults in the...
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The basic equations of Hardy-Weinberg Equilibrium p² + 2pq + q2 = 1 p+q=1 p= frequency of the dominant allele in the population 9 = frequency of the recessive allele in the population př= percentage of homozygous dominant individuals q* = percentage of homozygous recessive individuals 2pq - percentage of heterozygous individuals 1. You have sampled a population in which you know that the percentage of the homozygous recessive genotype...
In a population of Mendel's garden peas, the frequency of the dominant A (purple flower) allele is 80%. Letp represent the frequency of the A allele and q represent the frequency of the a allele. Assuming that the population is in Hardy-Weinberg equilibrium, what are the genotype frequencies? A. 16% AA, 40 % Aa, 44 % aa B. 80% AA, 10 % Aa, 10 % aa C. 50 % AA , 25 % As , 25 % aa * E....
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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...
2. Assume a population is in Hardy-Weinberg equilibrium for a given genetic autosomal trait. What proportion of individuals in the population are heterozygous for the gene if the frequency of the recessive allele is 1%.