1. Complete the Punnett square for a cross between a homozygous red-flowered snapdragon (RR) and a homozygous white-flowered snapdragon (WW). Give the ratio for the phenotype and the genotype. Кey F1 Genotypic Ratio: RR – red Phenotypic Ratio: wW- white RW-pink
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- 1. Use the following information to answer the question: Parental cross is RrYy x RrYy Seed Shapes are R-round, r-wrinkled Seed colors are Y-yellow, y-green Based on the information given, what is the phenotype ratio of the offspring of this cross? 2. A pea plant heterozygous for height and seed color (TtYy) is crossed with a pea plant heterozygous for height but homozygous recessive for seed color (Ttyy). If 80 offspring are produced, how many are expected to be tall and have yellow seeds? 3. What is the chromosome theory of inheritance? How does this theory explain Mendel's results? 4. A cross between two organisms heterozygous for two different genes (AaBb) results in a 9:3:3:1 phenotype ratio among the offspring. Is the offspring's genotype ratio the same? Explain your answer.…What are the possible genotype and phenotype of offspring witha parent of two heterozygous tall pea plant? Legend: T- tall pea plant t- short pea plant1. Identify the genotypes of the parents 2. Complete the punnett square 3. What are the possible genotypes of the offspring. 4. What is the genotypic ration 5. What are the possible phenotypes of the offspring 6. what is the phenotypic ratio 7. What is the probability of having short trait.What are the possible genotype and phenotype of offspring witha parent of two heterozygous tall pea plant? Legend: T- tall pea plant t- short pea plant 1. identify the genotypes of the parents 2. Complete the punnett square 3. What are the possible genotypes of the offspring? 4. What is the genotypic ratio? 5. What are the possible phenotypes of the offspring? 6. What is the phenotypic ratio? 7. What is the probability of having short trait?
- For each genotype, indicate whether it is heterozygous (HE) or homozygous (HO) AA Bb Cc Dd Ee ff GG HH PP Pp pp Round seeds are dominant to wrinkled RR Rr rr Ii Jj kk For each of the genotypes below, determine the phenotype. Purple flowers are dominan to white flowers L1 Mm nn straight straight curly 00 Pp Brown eyes are domin BB Bb bb to blue eyes Bobtails are recessive (long tails dominant) TT Tt tt For each phenotype, list the genotypes. (Remember to use the letter of the dominant trait) Straight hair is dominant to curly. Pointed heads are dominant to round heads. pointed pointed roundPurple flowers are dominant to white flowers. Identify the phenotypefor the following genotype Ff, FF, ff and determine if the genotype is heterozygous or homozygous. * For each row, you should select two columns. Purple flowers White flowers Heterozygous Homozygous Ff FF ff Brown eyes are dominant to blue eyes. Identify the phenotype for the following genotype BB, Bb, bb and determine if the genotype is heterozygous or homozygous. * 口 ロ口Use the following information about pea plants: S = spherical seeds; s = wrinkled seeds Y = yellow seeds; y = green seeds P = purple flowers; p = white flowers I = inflated pods; i = constricted pods Write the phenotype produced by the following genotypes: PP Pp SS ss SSPp IiPp IIPP
- 1. You are given a female F1 of unknown genotype. You cross the female fly to a homozygous male that has forked bristles and malformed eyes. The offspring of the cross is shown below: (Define symbols for your traits) Phenotype Forked bristles, normal eyes 752 Number Genotype Forked bristles, malformed 56 eyes Malformed eyes, normal bristles Normal eyes, normal bristles 820 64 a. What are the genotypes of the offspring? b. Based on the progeny, what were the genotypes of the F1 parents? What is the distance between for and mal?a. 1 dominant allele will contribute 120/10 = 12 cm to the base height of the plant.b. The height of the parent plant 1 Genotype of the parent plant 1 – D1D1D2D2D3D3d4d4d5d5 The height of the parent plant 2 Genotype of the parent plant 2 – d1d1d2d2d3d3D4D4D5D5Contributing alleles – D4D4D5D5. The height of the plant without any contributing alleles would be 80 cm. The plant with genotype d1d1d2d2d3d3D4D4D5D5 has 4 contributing allele each of which contributes 12 cm to the base. Hence, the height of the plant with genotype d1d1d2d2d3d3D4D4D5D5 would be 80 + 12 + 12 + 12 + 12 = 128 cm. c. Parents – D1D1D2D2D3D3d4d4d5d5 × d1d1d2d2d3d3D4D4D5D5 Gametes – D1D2D3d4d5 × d1d2d3D4D5 F1 generation – D1d1D2d2D3d3D4d4D5d5 The height of the plants of F1 generation = 80 + 12 + 12 + 12 + 12 + 12 = 140 cm Hence, Genotype of the F1 = D1d1D2d2D3d3D4d4D5d5 Phenotype of…What are the possible genotype and phenotype of offspring witha parent of two heterozygous tall pea plant? Legend: 1. Identify the genotypes of the parents 2. Complete the Punnett Square. 3. What are the possible genotypes of the offspring? 4. What is the genotypic ratio? 5. What are the possible phenotypes of the offspring? 6. What is the phenotypic ratio? 7. What is the probability of having short trait?
- 3.) A Heterozygous tall heterozygous red flowered plant is crossed with a Homozygous short white flowered plant. What is the genotype of the heterozygous tall heterozygous red flowered plant? TtRr What is the genotype of the homozygous short white flowered plant? ttrr Fill in the genotype in the parentheses and FOIL each parent’s genotypes: heterozygous tall heterozygous red flowered plant ( homozygous short white flowered plant (Punnett Squares Practice Monohybrid Crosses DIRECTIONS: All these genetic probiems deal with pea plants and heir traits. Use the following kay for ail problems. Put the gametes for the 1st parent of each cross along the top, and the gametes for the 2nd parent along the left side. T= Tall ( = Short S= Smooth Seed = Wrinkled Seed G= Green Pod Y= Yellow Seed P= Purple Flower g= Yellow Pod 2. TT x TE y- Green Seed A= White Flower 1. PP x PA 3. Sa x Sa 4. yy x yy 5. Gg x Gg PP PA AP YY Yy 99 GG Gg gg SS Sa sa 8. heterozygous yellow seed x green seed TT TE 6. hybrid tall x short Te x t 7. purebrid tall x short TT x 9. hybrid green pod x hybrid green pod 10. hybrid tall x purebred tall YY Yy 99 13. heterozygous purple flowers x TT T TT TE GG Gg gg TT Te 11. purebred purple flowers x white flowers 12. hybrid purple flowers x white flowers 14. hybrid smooth seeds x hybrid smooth seeds 15. short plant x short plant white flowers PP PA AP PP PA AA phenotype ratios: PP PA AE Ss Se TT TE Purple…What are the possible genotype and phenotype of offspring if one pf the parent is heterozygous tall and the other parent is homozygous short Legend T- tall pea plant t- short pea plant 1. identify the genotypes of the parents 2. Complete the Punnett square. 3. What are the possible genotypes of the offspring.