Multiple choices: Question: Handedness (whether you are right or left-handed) shows a 79% concordance in monozygotic twins and a 77% concordance in dizygotic twins. Using this information, do you expect handedness to have a large genetic influence? a. No, although the concordance numbers are high, they are similar between MZ and DZ twins b. No, concordance is not 100%
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Multiple choices:
Question: Handedness (whether you are right or left-handed) shows a 79% concordance in monozygotic twins and a 77% concordance in dizygotic twins. Using this information, do you expect handedness to have a large genetic influence?
a. No, although the concordance numbers are high, they are similar between MZ and DZ twins
b. No, concordance is not 100%
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- Pretending that Park shin-hye is heterozygous for A blood type marries Choi Tae-joon whose blood type is O. Show the possible blood types of their future children. 1. P1: 2. Punnett Square: 3. Genotype symbols: 4. Genotype in words: 5. Genotypic ratio: 6. Genotypic %: 7. Phenotype symbols: 8. Phenotype in words: 9. Phenotypic ratio: 10. Phenotypic %:Phenotypic ratio: red : pink : white Solve the following genetic problems involving incomplete dominance. You must pick the right letter to represent the gene in the question. You must show your work using the Punnett square. 15. A rooster with grey feathers is mated with a hen of the same phenotype. Among their offspring 15 chicks are grey, 6 are black and 8 are white. a. What is the simplest explanation for the inheritance of these colors in chickens? b. What offspring would you expect from the mating of a grey rooster and a black hen?shown are the F2 results of two Mendel's monohybrid crosses. Mendel crossed 2 heterozygote parents. If he were to expect segregation to happen normally, do the results match his expectations? state a null hypothesis that you will test using chi-square analysis. Calculate the chi-square value and determine the p value for both crosses a. Full pods: 882; constricted pods: 299 (full pods are dominant over constricted) b. violet flowers: 705; white flowers: 500 (violet dominant over white)
- A pedigree analysis was performed on the family of a man with schizophrenia. Based on the known concordance statistics, would his MZ twin be at high risk for the disease? Would the twins risk decrease if he were raised in an environment different from that of his schizophrenic brother?B. Solve the following problems in non-Mendelian inheritance using the Punnett square. 1. Butterflies come in different colors. Some of them exhibit incomplete dominance. The three colors that show this trait are dark blue (B), white (W), and light blue (BW). Find the following: a. Genotypic and phenotypic ratios when a dark blue butterfly is crossed with a light blue butterfly b. Genotypic and phenotypic ratios of the F, generation when dark blue and white butterflies are crossedConsider the Mendelian inherited genes below (complete dominance.) Draw your answer on paper and upload a photo here or complete your answer digitally and upload your file in a common format here. A. Track one gene: Blue bonnet flower color. Dominant allele = blue flowers, B; Recessive allele = white flowers, b Cross: heterozygous plant x homozygous recessive plant Set up and draw the Punnett square for this cross Predict % likelihood of offspring possible genotype & phenotypes B. Track two genes: Bluebonnet flower color and plant height Flower color: blue dominant B, white recessive b Plant height: tall dominant T, short recessive t Cross: heterozygous plant x homozygous recessive plant Set up and draw Punnett square Predict % likelihood of offspring genotypes and phenotypes
- Incomplete Dominance: 1) On the planet Iota Geminorum IV there exists a small hairy animal known as a tribble. It comes in three colors blue, red, and purple. This trait is controlled by a single locus with incompletre dominance. A homozygous CBCB is blue, a homozygous CRCR is red, and a heterozygous CBCR is purple. a. What would be the genotypes and phenotypes of the offspring if a blue tribble were crossed with a red one? b. If the offspring in #1 were crossed what would the genotypic and phenotypic ratios be of this generation?type P = n! (p)* (q)"* х! (n - х)! Practice Problem: You cross a true-breeding pea plant with red flowers to a true-breeding pea plant with white flowers. All of your offspring have red flowers. Which gene is dominant? Why? What is the genotype of your offspring? You then cross the offspring to each other. What ratio do you expect? Why? You count 1000 plants and look at their flowers. Your results are as follows: 740 red 260 white Does this follow a simple Mendelian inheritance pattern? Why or why not? DADT 2 MEA SUDI ND D LUT IONSA. In summer squash, white fruit color (W) is dominant over yellow fruit color (w) and diskshaped fruit (D) is dominant over sphere-shaped fruit (d). If a squash plant true-breeding for white, disk-shaped fruit is crossed with a plant heterozygous fruit, what will the phenotypic and genotypic ratios be?
- /a2 = 32 Familier, d. at least one girl? 3/32 = 968 Familier In squash, fruit color is determined by one gene and fruit shape by another independently segregating gene. The white fruit allele (W) is dominant to yellow fruit allele (w) and disk shape fruit allele (D) is dominant to round-shaped fruit allele (d). A cross between a white-colored, disk-shaped squash and a white colored, round-shaped squash resulted the following offspring: 31 white, disk; 29 white, round; 9 yellow, disk; 10 yellow, round. VIII. a. What are the genotypes of the two plants that were crossed? b. Using the chi-square test, determine if your answer in letter a is acceptable. Chi computed Degree of freedom Chi tabulated Conclusion 49Brown eyes are dominant over blue eyes. In the same manner, the presence of dimples is dominant over no dimples. A man heterozygous for eye color and with no dimples is married to a blue-eyed woman who is heterozygous for dimples. What is the probability that they will have: (write the answers ONLY)1. a baby girl?2. an offspring with dimples? 3. an offspring with blue eyes?4. a brown-eyed baby boy with no dimples?Please answer all of them, they are all connected. PEDIGREE ANALYSIS and SYMBOLOGY: Examine the pedigree which has X linked Dominant inheritance of disorder. Use letter X* (asterisk denotes disorder) as genotype of the individuals which can be XX, XY, X*X*, X*X and X*Y. a. What is the genotype of IV-6? b. What is the genotype of III-6? c. What is the genotype of II-3? d. What is the genotype of III-8? e. If couple I-1 and I-2 will have a son, what is the probability of having the disorder? f. If couple III-8 and III-9 will have another child, what is the probability of having the disorder? g. Theoretically, if individual IV-3 and individual IV-5 will marry and will have a child, what is the probability of having a child without the X-linked disorder?