Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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- 1.- Using a Punnett square, determine the possible combinations of phenotypes of specimens with the following characteristics:CC = brown furCc= gray haircc = white furLL= brown eyesLl = gray eyesll = blue eyes2.- From the previous table, mention the proportion of necessary according to Mendel's lawsarrow_forwardB What is the genotype ratio? What is the phenotype ratio? 3. What are the expected genotype and phenotype ratios in the following genetic conditions? Use scratch paper to do the Punnett square if needed but you do not need to draw it on the worksheet. a. Monohybrid cross between 2 heterozygous individuals (Aa x Aa) Genotype ratio: 1:2:1 Phenotype ratio: 3:1 G q 8:32 a b. Dihybrid cross between 2 heterozygous individuals (AaBb x AaBb) Genotype ratio: Phenotype ratio: 4. Both Mrs. Smith and Mrs. Jones had babies the same day in the same hospital. Mrs. Smith took home a baby girl, whom she named Sharon. Mrs. Jones took home a girl, whom she named Jane. Mrs. Jones began to suspect, however, that the child had been accidentally switched with Mrs. Smith baby in the nursery. Blood test were made; Mr. Smith was type A, Mrs. Smith was type B, Mr. Jones was type A, Mrs. Jones was type A. Sharon was type O, and Jane was type. B. Had a mix-up occurred? Use scratch paper, you do not need to…arrow_forwardPlease SHOW YOUR WROK DRAW IF YOU NEED TOO.arrow_forward
- Could you help fill in tables UV-13 to find the allele and genotype frequencies using the Hardy- Weinberg equations Thank youarrow_forward15. Human blood types is an example of a multiple allele system. Fill in the table below, showing what genotype(s) is/are associated with each phenotype. Use i = type O, IA = type A, IB = type B. Remember blood type is an example of codominance Blood Phenotype Genotype(s) (list all possibilities) ABarrow_forwardI need help calculating observed allelic frequencies. I'm in a biology lab and we did a classroom experiment where we were each given genotypes and simulated multiple generations by coinflip. This is the end data after multiple generations and we need to extrapolate p & q: AA individuals - 2 Aa individuals - 13 aa individuals - 5 My understanding is that the genotypic frequencies would simply be their %. So AA would be 0.1, Aa would be 0.65, and aa would be 0.25. This should mean that AA = 0.1 = p^2 and aa = 0.25 = q^2. Which should also mean that taking the square root of these numbers would give me p and q.... but they don't add up to 1. Squaring them gives me a p value of ~0.32 and a q value of 0.5. How is this possible? Shouldn't this method work to give me p and q since I know the exact genotypic frequencies? If anyone can clear up why this doesn't work, I would be extremely appreciative. Thank you!arrow_forward
- 28 The 8th graders used probability to obtain the gender of their offspring in a genetics task. The data is in the chart below. Remembering that the mother has XX and the father has XY as their genotypes, why is the total of all the data more reasonable to analyze than the individual class data? Use reasoning from the chart to justify your explanation. Total Classes Вoys Girls Offspring 4 8-A 9. 44% 56% 4 8-B 9. 56% 44% 6. 7. 8-C 86% 14% 2 8-D 29% 71% Total 17 15 32 XA B iU E 四arrow_forward4. please answer thisarrow_forwardThe Andalusian fowl exhibits codominance. The genotypes and phenotypes of Andalusian fowls are shown in the diagram below. White Black Speckled Phenotype White Black Speckled Genotype WW BB BW In a small community south of Seville, the capital city of Spain, speckled hens can be sold for more money at the market then black or white hens. Which of the following rows correctly identifies the cross the farmer should perform to ensure all of his eggs produce speckled offspring AND the phenotypes of offspring produced from crossing a white hen with a speckled rooster? Select one: a. Parental cross to produce Speckled offspring Phenotypes of offspring produced from crossing a white hen and a speckled rooster BB BB White, speckled, and black offspring b. Parental cross to produce Speckled offspring Phenotypes of offspring produced from crossing a white hen and a speckled rooster WW BW White offspring c. Parental cross to produce…arrow_forward
- In fruit flies, long wings (L) are dominant over short wings (l). In a population of 45 fruit flies, 27 have LL genotypes, 13 have Ll genotypes, and 5 have ll genotypes. Find the frequency of the following. Show all work and record your answer as a value between 0 and 1 rounded to two decimal places.a. long-winged fruit flies: b. short-winged fruit flies:arrow_forward1. For a single locus with two alleles, A₁ and A₂: (a) Draw a graph (using graph paper) showing both the frequency of A₁ A2 heterozy- gotes and A₂ A₂ homozygotes, at Hardy-Weinberg frequencies, as functions of p (the frequency of A₁). Note that both p and the genotype frequencies should have values between 0 and 1. (b) Find the value of p above which A₁ A2 genotypes are more common than A₂42 genotypes. You can solve this algebraically, or estimate it from your graphs. 2. Consider three loci, A, B, and C, each with two alleles, with the frequencies of A₁, B₁, and C₁ all being We look at a population and find that there are four distinct haplotypes, shown here, each with a frequency of: A₁ B1 TT A1 C₁ B1 A₂ B₂ AT C₂ A₂ B₂ C₁ C₂ Of the three pairs of loci (AB, AC, and BC) which pair(s) are in Gametic Equilibrium (D = 0) and which are in Gametic Disequilibrium (D ‡0)? [Hint: Consider each pair separately, ignoring the other locus. For example: for the BC pair, consider the four…arrow_forwarda. aabbccDd b. AabbCcDd c. AAbbCCddarrow_forward
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