What are the genotype and phenotype ratios of the potential offspring when a man who is heterozygous for type A blood marries a woman who is homozygous for type B blood? Genotypic Ratio: 1 1 1 | Phenotypic Ratio:
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- PROBLEM 1 1. What is the chance for a blood type AB man and a type B (heterozygous) woman to have a type A child? 2. What is the chance to have a type B child? Clearly show: i. Alleles (10% of the grade), ii. Genotypes and Phenotypes of the parents (10% of the grade), iii. Gametes (10% of the grade), iv. Punnett Square (20% of the grade), v. Genotypic frequencies of the offspring (20% of the grade), vi. Phenotypic frequencies of the offspring (20% of the grade), and vii. Answer to questions 1 and 2 (10% of the grade). PROBLEM 2 3. A woman with freckles (heterozygous) and brown hair (heterozygous) and a blonde man no freckles are expecting a child. What is the chance to have a blonde child with no freckles? Freckles and brown hair are both dominant alleles. Clearly show: i. Alleles (10% of the grade), ii. Genotypes and Phenotypes of the parents (10% of the grade), iii. Gametes (10% of the grade), iv. Punnett Square (20% of the grade), v. Genotypic frequencies of the offspring (20% of…Problem #1 In rabbits, short hair (S) is dominant over lang hair (s). What genotype and phenotype ratios are expected from a cross between two heterozygous shorthaired rabbits? P X Genotypic Ratio: Phenotypic Ratio:EXERCISES For each exercise draw the Punnett square when appropriate and answer the questions in the spaces provided. 1. A woman homozygous for type B blood marries a man who is heterozygous type A. What will be the possible genotypes and phenotypes of their children? 2. A man with type O blood marries a woman with type AB blood. What will be the possible genotypes and phenotypes of their children? 3. A type B woman whose mother was type O marries a type O man. What will be the possible genotypes and phenotypes of their children? 4. A type A woman whose father was type B marries a type B man whose mother was type A. What will be their childrens' possible genotypes and phenotypes? 5. What is the probability that a couple whose blood types are AB and O will have a type A child? 6. A couple has a child with type A blood. If one parent is type O, what are the possible genotypes of the other parent?
- Problem 2: In horses, black coats and trotting gait are dominant while the recessive alleles are white and pacing gait. If the male is homozygous for both dominant traits, what is the genotype of the male? Regarding a cross between the homozygous male with the homozygous recessive female. What are the phenotypes and their ratio in the F1 and F2 generations?PROBLEM 1: A man with a hitchhikers thumb (Hh) and his wife who also has a hitchhikers thumn (Hh) are expecting a child. Use a Punnett square for your solution. a. What is the probability that the child will also have a hitchhikers thumb? b. What is the genotypic ratio? c. What is the phenotypic ratio? d. PUNNETT SQUARE2 pts Problem 2 involves x-linked genetic inheritance. 2. The father has red-green color blindness and the mother does not. The mother's alleles are homozygous. (Use these codes: b = color blindness allele, N = no color blindness). Genotype: Genotype: Genotype: Phenotype: . Probability: What is the probability this couple will have a child with red-green color blindness? O 0% O 25% O 50% O 100%
- SAMPLE PROBLEM II: A mother and her child have blood type O. Which blood group can the father NOT belong to? How to solve: This time, you-are going to eliminate the blood types that could produce the blood type O in the child, considering that the mother has the same blood type as the child. Which types can contribute an O allele? What blood type cannot contribute an 0 allele?PEDIGREES: Problem 5 This pedigree shows the inheritance of sickle cell anemia in this family. I ••• QUESTIONS • • 1. How children do II-I and many 1 2 II-2 have? II O 2. What is the relationship between individuals III-2 & II-4? 2 3 4 III 3. Individual IV-I is a normal male. Drag i drop the correct shape for them: 1 2 3 IV 1Problem 3. If a woman is hemophiliac, she will give birth to only hemophiliac sons regardless of the genotype of the father. Construct a Punnett squares to confirm this. There should be two of them. a) Construct a Punnett Square - List gametes in the area with the dashed line and the genotypes of the offspring in the area with the sold line. b) Construct a Punnett Square - List gametes in the area with the dashed line and the genotypes of the offspring in the area with the sold line.
- Punnet square problems A=Codominant; B=Codominant; O=Recessive Mary is homozygous for type A blood. Steve is homozygous for type O blood. If they have children, what are the possible phenotypes and genotypes of their children, and what is the probability of each? Mary and Steve have a son, Brad. Brad’s wife, Samantha is heterozygous for type B blood. If they have children, what are the possible phenotypes and genotypes of their children, and what is the probability of each? Stella loves roses and decides to cross her red rose with her white rose. All of the resulting offspring of this cross are pink roses. What can you say about the red and white alleles as a result of this cross? Stella decides to cross two of the pink roses. What are the possible genotypes and phenotypes of the offspring and the probabilities of each? DNA replication, Transcription and Translation problems It is S phase of the cell cycle, and time to replicate the cell’s DNA. Using the following strand of DNA…Problem 3. If a woman is hemophiliac, she will give birth to only hemophiliac sons regardless of the genotype of the father. Construct a Punnett squares to confirm this. There should be two of them. a) Construct a Punnett Square - List gametes in the area with the dashed line and the genotypes of the offspring in the area with the sold line. b) Construct a Punnett Square - List gametes in the area with the dashed line and the genotypes of the offspring in the area with the sold line. Please show with BOTH PUNNETT SQUARES THERE SHOULD BE TWO!!!!Problem 3. If a woman is hemophiliac, she will give birth to only hemophiliac sons regardless of the genotype of the father. Construct a Punnett squares to confirm this. There should be two of them. a) Construct a Punnett Square - List gametes in the area with the dashed line and the genotypes of the offspring in the area with the sold line. b) Construct a Punnett Square - List gametes in the area with the dashed line and the genotypes of the offspring in the area with the sold line. Please show in the actual punnett square table!