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- Guide Questions 1. Examination of thousands of plants in a certain species revealed a range of pubescence from 60 hairs/cm to the glabrous (non-pubescent) condition. Assume that this variability is controlled by three gene pairs having a cumulative effect. Ignore the environment effect. When entirely pubescent (60 hairs/cm) were crossed to glabrous plants (0 hairs/em), all offsprings in the F, exhibited an intermediate pubescent condition (30 hairs/cm). Several of the Fi plants were selfed and the F2 plants were evaluated for pubescence. a. Assign genotypes to the original plants and the Fi plants. b. What proportion of the F2 progeny would be expected to be: i. Completely pubescent (60 hairs/cm)? Intermediate pubescent (30 hairs/cm*)? With 40 hairs/cm?? Homozygous for the genes involved? ii. iv.Part 1: Post-Lab Questions 1. Set up and complete Punnett squares for these crosses (remember Y = yellow, y = blue): a. YY and Yy b. YY and yy 2. Answer these questions: a. What are the resulting phenotypes? b. Are there any blue kernels? C. How can you tell whether or not there are blue kernels? 3. Set up and complete a Punnett square for a cross of two of the F1 from Step 1 (above). 4. Answer these questions: a. What are the genotypes of the F2 generation? b. What are their phenotypes? C. Are there more or fewer blue kernels than in the F1 generation? 5. Identify the four possible gametes produced by the following individuals (Y = yellow, y = blue, S = smooth, s = wrinkled): a. YY Ss: © eScience Labs, 2018ull T-Mobile LTE 10:32 PM © 73% Mendelian Genetics Lab LASC... MENDELIAN GENETICS Define the following terms: Gene: Homozygous: Allele: Heterozygous: Phenotype: Dominant: Genotype: Recessive: P, F1, F2 generations: Introduction to probability To understand genetics, it is essential to understand probability. The numerical value of the probability of an event can range from 0 (impossible) to 1 (certainty). For example, what is the probability of flipping a coin and getting tails? There are two possible outcomes (heads and tails) that are equally likely, but we are looking for the probability of just one of them (tails). Probability of tails = ½ = 0.5. What is the probability of tossing a six-sided die and getting a four? What is the probability of tossing a six-sided die and getting an even number? What is the probability of tossing a six-sided die and NOT getting a four? The first law of probability states that the results of one trial do NOT influence the results of later trials for…
- ARTER 1 WEEK 5- WEEK 6 WRITTEN WORKS (30% OF YOUR GPAD ANSWER THE EOU E Learning Task 5: Read and understand the pattern of inheritance in multiple alleles. Answer the guide question in your notebook. Multiple Alleles Mendel studied just two alleles of his pea genes, but real populations of- ten have multiple alleles of a given gene, In this activity you will learn how to crossed the gene for coat color in rabbits (the C gene) which comes in four color alleles (C, Cch, Ch, c) as shown by the figure De below. Pe e ALBNO ACH CHINTHLLA HAILAYN Using the given genotypes, find the Fl and F2 generation of the crossed between black rabbit and chinchilla, the crossed of himalayan and albino. Use the Punnet squares below to guide you. A. Black (CC) x Chinchilla (CchCch) F1 Offspring with corresponding % Fa Offspring with corresponding % Guide Question 1. Based on the results of the genetic crosses you have shown, how do you think the red and white flower alleles can "interact with one another?…ferences Mailings Review View Table Design A₂ 日正 #↓ ¶ AaßbCcDdEe AaBb CcD Heading 1 -.A. E- ➡ No Spacing Completed forms to be made available for external moderation. Q8. (1) Complete the following genetic diagram to show how parents who did not suffer from haemophilia, could have a son wit h haemophilia but also other children who did not suffer from haemophilia. Phenotype of parents Genotype of parents Genotype of gametes Normal male Normal female Genotype of offspring Phenotype of offspring (1) What is the probability of the couple having a daughter with haemophilia? What is the probability of the couple having another son with haemophilia? (ii) Q9. Who's gonna take you home tonight? There has been a mix up in the maternity ward. The babies have managed to remove their wrist bands. On their wrist bands are their blood groups and names. Focus dom) Accessibility: Investigate MacBook Air Layout AaßbCcDdEe Normal Tell me AaBbCcDdE Aa Heading 2Activity 4 - Dihybrid Cross 1. Use the introduction of the dihybrid fruit fly cross to draw a dihybrid cross of LlBb x LIBb (see "learn about punnett squares"). INSERT AN IMAGE OF YOUR DRAWING HERE Activity 5 - X-linked Traits 1. An allele for eye color located on the X chromosome. Draw and upload a punnett square for the following cross: XTXt female and XTY male flies. Label the punnett square, label the alleles that represent those from the sperm and the egg. INSERT AN IMAGE OF YOUR DRAWING HERE
- Hi Joslyn, when you submit this form, the owner will be able to see your name and email address. 1. Why is crossing-over important? It creates new genes It creates more genetically unique gametes It completes prophase of meiosisI It creates bubbles 2. How many cells are created at the end of meiosis? E 1 3 3. How many rounds of cell division happen in mitosis? O 1 3 DII Prt Scn F8 Home F9 F4 ES F6 F7 $ % & 4 6 7 8 R YQuestion 2 Review concept 14.1. Select all correct answers. Pp is a representation of O genotype. O phenotype. O heterozygous for that gene. O homozygous for that gene.Can I please get help? 1. Describe the morphological phenotypes you see in the experimental conditions, in comparison to the control condition. 2. Speculate what mutation or treatment could have caused the observed phenotype, and explain why. 3. Predict the functional consequence such morphological phenotype could have on mitochondrial functions, as well as its effect on cellular health and function. Case 3: Two cells of two genotypes are being fused together. Wild Type (WT) cell carries mitochondria whose matrix is tagged with GFP (green) while the other cell of unknown genotype carries mitochondria whose matrix is tagged with DsRed (red). The result of this fusion when the red cells is also WT is shown in the top row. Percentage of mitochondria appear to be fused is shown in the bar-graph to the right of the respective images. Please answer the 3 questions regarding the genotypes of the red cells in the middle and bottom row separately
- Dihybrid Cross 13 Problem 5: A SsYy x ssyy test cross. Which of the following genotypes would you not expect to find among the offspring of a SsYyxssyy test cross: A. ssy.y. B. SsYy. C. Ssy D. ss Yy E. SSYY10:27 SG O ← _5069_L03_MitosisAndMeiosis.docx AD 7. I fy two ways + Why 9. Bl ales have 44 expect m 10 b. Fo suller Calle auce the.. omose or chromos in gametes? overy cell occur? What chromosomes are affected? What are the conse ences? PAGE 11... ON 5G A ר ח LJ mes you would ⒸeScience Labs, 2016 mu on 11. Diagram what would happen if sexual reproduction took place for four generations using diploid (2n) cells.12:27 O Q3. ACTIVITY 2. NONMENDELIAN INHERITANCE 4. If several pea plants with the genotype TTYY are crossed with pea plants with the genotype Tiyy, what percentage of the offipring will be expected to have the TTYY allele combination? 5. In humans, the alleles for blood type are designated I (A-type blood), P (B-type blood) and i (O-lype blood). What are the expected frequencies of phenotypes in the following matings? Draw a Punnett square showing the results for a %AB a) heter A x heter B: b) A" x 1i: e) 11 x I"": di AB xO: $|||| |||| || | | II