B. Given the observed values below, is there an agreement between the expected and observed ratios? Does it fit the 3:1 ratio? State the reason behind. Phenotypes (Purple is dominant Observed values over yellow corn) Purple corn Yellow corn 176 52
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- B. Given the observed values below, is there an agreement between the expected and observed ratios? Does it fit the 3:1 ratio? State the reason behind. Phenotypes (Purple is dominant Observed values over yellow corn) Purple corn 176 Yellow corn 52I. Chi-Square Test Phenotype Class Observed Frequency (0) Seed Expected Frequency (E) Deviation d2 d?/E (d=0-E) Corn Tall-normal 26 9 17 289 3.01 (Corn) Rice Tall-wrinkled 26 3 23 529 5.51 (Rice) Mongo Dwarf-normal 25 3 22 256 2.66 (Mongo) Squash Dwarf- 19 3 116 484 5.04 wrinkled (Squash) 16.22 Degree of freedom - 4-1-3 EL X' = S lau -8) 23 G,089 18 %3D X'= 338 Exercise No. 4- Gene Segregation and Interaction 4 What can you conclude based on the value of the computed Chi-square? How can you relate the two principles of Mendel to Chi-Square Values?Edio | Calendar X Edio | Student Da x days/1089977/lessons/1533969/variants/2439102/take/10/ A Q TEXT ANSWER The inheritance patterns for some traits in guinea pigs are listed in the table below. 1. Identify the phenotype of a guinea pig with the genotype HhBBrr. 2. Using the allele symbols in the table, identify the genotype of a guinea pig that is recessive for hair length, heterozygous for hair color, and homozygous dominant for hair texture. Trait Dominant Allele Recessive Allele hair short (H) long (h) length hair color black (B) white (b) rough (R) smooth (r) hair texture BIUG X₁ X¹ EEAA H Normal : √x Enter your answer here ŏooooo Questions Answered 中山川 Ω Ο Τ Edio | Calendar X RepostExchange X Practice All Changes Saved Continue
- Edio | Course Student Lesson Using the letter T to represent t x + days/1089940/lessons/1533883/variants/2273231/take/14/ O Alert 1 of 1: Instructional Technology Subsidy Úp. DISMISS * Practice MULTIPLE CHOICE Using the letter T to represent the trait, what is the genotype for individual 7? TT TE it is impossible to determine from this picture Atempe t of 2 683838886 0888.o S of & Total Questions Answered A Changes Saund 21°F SunnyTrivla Game Show _Make Your Own Tri ngston.schoology.com/common-assessment-delivery/start/4789189591?action=onresume&submissionld=463322566 Dillon WF g Aa v Done In guinea pigs, black hair (B) is dominant to white hair (b) and rough hair (R) is dominant to smooth hair (r). What are all the possible genotypes of a guinea pig that has black, rough hair? (Select all that apply.) O BBRR BBRr BBrr BBRR BbRr O bbRR O bbRr O bbrr O Black O White O Rough OSmooth O Rough O SmoothI. Perform the indicated single-gene and two-gene crosses. Show all work. Show all Punnett squares. List the gene or genes involved, list and define all allele symbols, and indicate the genotypes of the individuals you are crossing above the Punnett square. Answer questions that ask for a ratio as a ratio and questions that ask for a percent as a percent. In humans, the allele for widow’s peak hairline is dominant to the allele for straight hairline. A woman with widow’s peak who is heterozygous marries a man with straight hairline and they decide to have children. Show the expected genotype ratio and phenotype ratio of the offspring. In snapdragon plants, the alleles for flower color show incomplete dominance. First show a cross of two parents, one with red flowers and the other with white flowers. Then show a cross of two of the F1 plants to get the F2 generation. Indicate the genotype ratio and phenotype ratio for both the F1 and F2 generations. A man with AB blood type…
- AaBbCcDdEe AaBbCcDc AaBbCcDdEe AaBb( AaBbccDdEe AaBbCcDdEe AaBbCcDd. x, x A I v Av Normal No Spacing Heading 1 Heading 2 Title Subtitle Subtle Emp In tomatoes, red fruit (R) is dominant over yellow fruit (r) and tall plant (T) is dominant over short plant (t). A plant that is heterozygous for both traits is crossed with a plant that is homozygous recessive for both traits. What is the genotype and phenotype of the offspring? Saguaro cacti are very tall cylindrical plants that usually have two L-shaped arms, one on each side. Suppose you live in southern Arizona where the Saguaro cactus is common, and you happen to have one growing in your yard. Your Saguaro has two arms, but one is longer than the other. Now, assume that arm length in these cacti i controlled by a single gene with arms of the same length (A) being dominant to arms of different lengths (a). What is the genotype of your cactus? Could one of the parents of your cactus have had a phenotype with arms actusQuestions: a. What is probability of producing tall plants with purple flowers? Possible genotype/s? b. What is the probability of producing dwarf plants with white flowers? Possible genotype/s? Using the Punnett square below as basis:Background Reminders: Dominant allele will express itself in the phenotype even when in combination with a different allele (recessive). Example: PP and Pp (purple flowers) Recessive allele does not express itself in the phenotype when combined with another allele (dominant) Example: pp (white flower) -> expressed only when recessive is by itself Problem 1- Autosomal Dominant: Widow’s peak (hairline) Having widow’s peak is a dominant trait (use W and w to represent alleles) A man who has a widow’s peak has a child with a woman that does not have widow’s peak. Their child does not have widow’s peak. What is the genotype of the father? _______________ B.) A man with widow’s peak (WW) has a child with a woman who does not have a widow’s peak. What is the probability their child will have a widow’s peak? ____________ Fill out this Punnett square: C.) If both parents are heterozygous for widow’s peak (Ww)… What is the probability…
- Pedigree Analysis Examine the following pedigrees. 1 Examine the pedigree of achondroplasia (a form of dwarfism). a Is this trait dominant or recessive? b How do you know? c Label all of the genotypes on the pedigree chart. II Laboratory Exercise 9 Trait Genetics 113 %3DFor the following Chi-square table, how many degrees of freedom should be used when calculating the p-value? Gender Phenotype O E O-E (O-E)2 (O-E)2/E Male Disease 99 101.5 -2.5 6.25 0.061576 WT 105 101.5 3.5 12.25 0.12096 Female Disease 0 0 0 0 0 WT 202 203 -1 1 0.004926 Total 406 406 19.5 0.187192 You do not need to know the degrees of freedom to calculate the p-value. a. 4 b. 5 c. 2 d. 3elp Normal ▾ B IU A - Corn Breeding / Genetic Problem A corn breeder is working with 2 inbred corn plants. He is interested in two traits: High yield (produces lots of corn) and drought tolerance (does not need lots of water). High yield (H) is dominant to low yields (h). Drought tolerance (D) is dominant to drought intolerance (d). M BEE Inbred 1 is true breeding for drought tolerance and low yield (DDhh). Inbred 2 is true breeding for drought intolerance and high yield (ddHH). In the parent cross (P) the corn breeder crossed inbred 1 with inbred 2. The resulting F₁hybrid (DdHh) was heterozygous for drought tolerance and high yields. Phenotypically all the corn needs little water to grow and produces lots of corn. This is the corn that is sold to farmers, planted in the Spring and harvested in the Fall. Explain why the farmer does NOT hold back some of the Fall harvested (F₂) kernels and plant them next Spring. You must show your work. (Hint: As a %, how many of the F2 kernels still…