recessive?4.3 What percentage of the offspring will be heterozygous?Level 5-65. Pea plants, spherical seeds (S) are dominant to dented seeds (s). In a geneticcross of two plants that are heterozygous for the seed shape trait,a. Identify the alleles/genotypes used in this cross:used in thi مدارس الإمارات الوطنيةEmirates National Schoolsb. Construct the punnet square for this cross in the space belowDeduce the percentages of each possible genotype and phenotype of the firsteneration on the lines below.ALL possible genotypes of the offspringALL possible phenotypes of the offspring7-8brid cross between heterozygous male and female pea plants both havingand round pea seeds is performed.

In genetics, we have the concept of phenotype and genotype. Genotype refers to the set of genes…

Answered: recessive? 4.3 What percentage of the…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Item 10 10 of 15 > A cross in Drosophila melanogaster involved the recessive X-linked genes for white eye (w), yellow body (y), and cut wings (c). A wild-type tri-hybrid female was crossed with wild-type males and only the male offspring were tallied. On the basis of the results shown below, which of the choices shown best represents the genetic map of the three loci on the X-chromosome? Phenotype Male Offspring +у ct 63 W + + 60 w y ct 16 + + + 11 + + ct 4 w y + + у + 247 w + ct 197 5.5 mu 21.5 mu >< ct 5.5 mu 21.5 mu y ct 21.5 mu 5.5 mu ct 4.5 mu 20.5 mu y ct 20.5 mu 4.5 mu ct Submit Request Answer
Three pt croSS (1) Two genes are on separate chromosomes (i.e., unlinked). One homologous pair of chromosomes carries the 'A' and 'a' alleles, while another homologous pair of chromosomes carries the 'B' and b' alleles. Based on what you know about Independent Assortment and probability, what percent of the time will the following occur: 1. 'A' goes with 'B' and 'a' goes with 'b'? 2. 'A' goes with 'b' and 'B' goes with 'a'? Therefore, can we compute a distance of 60 map units for two genes by a two point cross? Yes or No. Why? Mendel observed 7 traits. Pea plants have seven chromosomes. It is now known that the traits studies by Mendel were not on separate chromosomes. Do you think that Mendel accurately reported his experimental findings? 129 MacBook Air
For 21. What are the genotypes of the F2 generation. Of the F₁ generation. Of the parents 22. If it were possible, how would you determine whether a tall individual is heterozygous or homozygous? 23. How do the observed phenotypes of your seedlings compare with the expected F2 ratio? To calculate your expected ratio numbers given the total number of seedlings that you counted use the following steps: A. Determine your expected ratio. For a monohybrid cross between two F1 plants, both heterozygous for the trait, you would expect a 3:1 ratio. If you add 3+1, it equals 4. Therefore, each category is a fraction of 4. This means that you expect the following fractions 3/4 and 1/4 for the two phenotypic class. B. Determine your total number of corn plants actually counted. C. Multiple each fraction by the total number of seedlings you actually counted. a. For example, if you counted 85 seedlings, you would expect the following: i. 3/4 X 85= 64 tall seedlings ii. 1/4 X 85 = 21 dwarf seedlings…
Inheritance of a single gene: 4. A "chocolate" cat mates with a cat heterozygous at the gene for TRP-1: a. What is the probability of their kitten having brown coat color? 0.875 [Choose ] 0.375 b. What is the probability of their kitten having black coat color? 0 0.875 0.33 0.5 c. What is the probability of their brown kitten being homozygous for this gene? 0.25 0.75 1.0 d. What is the probability of their black kitten 0.625 being homozygous for this gene? 0.375 <
Show me how to do this punnet square problem
Asap. Explain well.
O e. Parent 2: Parent 1: Parent 2: ¡Ai QUESTION 9 Bi QUESTION 8 Let's assume that, in dragons, red scales (B) are dominant to green scales (b), and long tongues (S) are dominant to short tongues (s). The genes that determine these characteristics assort independently. A homozygous red, long-tongued dragon is crossed with a homozygous green, short-tongued dragon. If an F1 dragon is crossed to a homozygous green and homozygous short-tongued dragon, what phenotypes and proportions are expected in the offspring? O a. 100% green and long-tongued O b. ½ green and short-tongued & ½ red and long-tongued O c. ½ red and short-tongued & ½ green and long-tongued O d.% red and long-tongued, % red and short-tongued, ½ green and long-tongued, % green and short-tongued O e. 9/16 red, long-tongued, 3/16 green, long-tongued, 3/16 red, short-tongued, 1/16 green, short-tongued Save and Submit to save and submit. Click Save All Answers to save all answers. 000 MacBook Air
. Jimsom. weed plants can produce purple or white flowers and spiny or smooth seed pods. A purple spiny plant is crossed with a white spiny plant. This cross produces: 89 purple spiny; 92 white spiny; 31 purple smooth and 27 white smooth plants. What are the genotypes of the parental plants and the progeny plants? Use the letters P/p for flower color and S/s for pod texture Parent #1 –genotype:_________________________________; Parent #2 –genotype: ______________________________ b. Offspring plants – genotypes and phenotypes c. Calculate the recombination frequency using these results_________________________________ i need help finding the right answer and i need an explation on how you got it so i understand and please do it with a punnet square and show the calutions step by step
From DNA to Protein and Inheritance Co-Dominance: In co-dominance, the heterozygous individual exhibits the phenotype for both alleles. We used the ABO blood groups as an example of co-dominance. 8. What potential blood types can be present in the offspring if two type "O" mate with one another? (alams 1) Ilgq xal Ligg 9. What are the potential blood types present in the offspring if two parents with type A blood mate with each other? parents 10. What are the potential blood types for offspring that are produced by a parent that is A+ and one that is AB-? Sgningatlo odi nol om sig gonda borooqxs Post-Lab Questions 1. In the human species, polydactyly (the
P Generation F, Generation F, Generation 1. What trait is being studied in the cross pictured above? 2. There are 2 alleles for the trait. What are they? 3. Which allele is the recessive allele? Explain why. 4. Which allele is the dominant allele? Explain why. 5. Which 2 alleles do the F1 plants have? Explain which allele was inherited from which parent.
Genetics 181 Rule of Incomplete Dominance When two different pure-breeding strains are crossed, and their offspring show a blending of phenotypes, then neither allele is dominant. This is easily recognized when the phenotype is somewhere between two extremes. Counting the parents, there are three phenotypes (black, white, grey) being expressed in these flowers instead of only two, and that third phenotype is intermediate between the other two. This heterozygous condition is called incomplete dominance. 1. On the chart you did earlier, which of the three hair types (wavy, curly, or straight) represents incomplete dominance-the blended heterozygous condition? 2. You cross a herd of red cattle with white cattle and all of the calves appear to be roan (reddish white). Is this an example of incomplete dominance? How do you know? 3. You cross a blue flowering pea plant with a white flowering pea plant and all of the offspring are blue flowered. Is this an example of incomplete dominance? How…
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