Homework Answers
4.
Hornless = HH, Hh
Horned = hh
Hh × hh
| Gametes | h |
| H | Hh hornless |
| h | hh horned |
Genotypes - Hh, hh
Phenotypes - Hh (50%), hh (50%)
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4) Hornless (H) in cattle is dominant over horned (h). A heterozygous hornless bull is mated...
5) Type A and Type B blood are codominant to each other. They are both dominant...
5) Type A and Type B blood are codominant to each other. They are both dominant over Type O blood. The genotype of the mother is I^i and the genotype of the father is 141B. Complete the Punnett Square: List the Genotypes of the offspring: List the Phenotypes of the offspring with percentages:
9. In cattle, polled (absence of horns) is dominant over horned and roan is the result...
9. In cattle, polled (absence of horns) is dominant over horned and roan is the result of the heterozygous condition of the genes for red (R') and white (R) coat color. (Neither red nor white is dominant so in the heterozygote, both are expressed, e.g. half of the hairs on the coat are white, and half are red.) Assume both traits are on separate pairs of autosomes. What proportion of the offspring of a roan, heterozygous polled bull and a...
white. What are the predicted color phenotypes and their frequencies for the 1. In cattle, RR...
white. What are the predicted color phenotypes and their frequencies for the 1. In cattle, RR red, Rr-roan, and offspring from crosses between: a. a red bull and a white cow b , a red bull and a roan cow a roan bull and a roan cow What type of inheritance controls these cattle fur colors? 2. Given the following information about the inheritance of characteristics in pea plants, answer the questions below Y (yellow) is dominant to y (green),...
In this scenario, the mother has blood type A and is heterozygous (IAi). The father has...
In this scenario, the mother has blood type A and is heterozygous (IAi). The father has blood type B and is also heterozygous (IBi). First, please complete the Punnett square below. Add one allele into each parental allele box, and a complete genotype (such as IAIB, IBi or ii) into each offspring box. Remember that dominant alleles should always be written before recessive alleles in a genotype (IBi, never iIB). Please review my powerpoint! BLOOD TYPE (A and B alleles...
6) Mike has type B blood and his wife lynn has type O blood. They are...
6) Mike has type B blood and his wife lynn has type O blood. They are very shocked to hear that their baby has type A blood, and think that a switch might have been made at the hospital. a. What is the genotype of the baby? b. What are the possible genotypes for Mike? c. What are the possible genotypes for lynn? d. Can this baby be theirs? Why or why not? 1) A dad is type A homozygous,...
i need this quick for tongue rolling (Th)is dominant over the allee for not being able...
i need this quick
for tongue rolling (Th)is dominant over the allee for not being able to roll your an who can roll his tongue marries a woman who cannot. They had 11 2. The allele tongue a (t). A m gue children, 6 of whom could roll their tongues, and 5 of whom could not. a. What are the phenotvpes of the parents? Father: Mother What are the POSSIBLE genotypes of the parents (hint, the father could have one...
1. In humans the allele for A type (IA) blood and B type blood (IB)show co-dominance,...
1. In humans the allele for A type (IA) blood and B type blood (IB)show co-dominance, so that a person with both alleles has blood type AB (phenotype). Both A and B alleles are dominate to the allele for O (i). A person with an allele for type A blood and an allele for type o blood marries someone with an allele for type B blood and an allele for type o blood. List the types of offspring they could have and...
no 15&16 Clownfish exhibit three phenotypeni red, yellow, and orange. If a red clownfish is mated...
no 15&16
Clownfish exhibit three phenotypeni red, yellow, and orange. If a red clownfish is mated with a yellow clownfish, the resulting progeny are all orange. a. What type of inheritance pattern do you suspect? incomplete dominance b. Construct a Punnett square to illustrate a cross between two RRRR orange clownfish. (make up letters to represent the alleles) 15. RRR Genotypic ratio: la: Phenotypic ratio: 1: 2!! There are 4 alleles (C.ch, ch, and e) of the gene for coat...
Sex Linked Traits 4. Assume you are a genetic counselor and a couple comes to you...
Sex Linked Traits 4. Assume you are a genetic counselor and a couple comes to you for counseling They want to know if there is any chance that their first baby might have muscular dystrophy. M.D. is a sex linked recessive trait. Neither of the parents has M.D. but the wife's father has M.D. Prove your answer by showing the genotypes and phenotypes of the parents, grandparents and possible offspring. Parents Fill in the boxes Genotype Phenotype Possible Genotypes or...
1. Circle, underline or write in all of the homozygous genotypes listed below. og Aa AA...
1. Circle, underline or write in all of the homozygous genotypes listed below. og Aa AA 2. In pea plants, the dominant allele Pencodes purple flowers and the recessive allele p encodes white flowers. A plant with a pp genotype is crossed with a plant with a Pp genotype. What is the expected ratio of phenotypes in the offspring? Use a Punnett square to justify your answer. (0.5 points) 3. A mother has type A blood and she has a...
5) Type A and Type B blood are codominant to each other. They are both dominant over Type O blood. The genotype of the mother is I^i and the genotype of the father is 141B. Complete the Punnett Square: List the Genotypes of the offspring: List the Phenotypes of the offspring with percentages:
9. In cattle, polled (absence of horns) is dominant over horned and roan is the result of the heterozygous condition of the genes for red (R') and white (R) coat color. (Neither red nor white is dominant so in the heterozygote, both are expressed, e.g. half of the hairs on the coat are white, and half are red.) Assume both traits are on separate pairs of autosomes. What proportion of the offspring of a roan, heterozygous polled bull and a...
white. What are the predicted color phenotypes and their frequencies for the 1. In cattle, RR red, Rr-roan, and offspring from crosses between: a. a red bull and a white cow b , a red bull and a roan cow a roan bull and a roan cow What type of inheritance controls these cattle fur colors? 2. Given the following information about the inheritance of characteristics in pea plants, answer the questions below Y (yellow) is dominant to y (green),...
i need this quick
for tongue rolling (Th)is dominant over the allee for not being able to roll your an who can roll his tongue marries a woman who cannot. They had 11 2. The allele tongue a (t). A m gue children, 6 of whom could roll their tongues, and 5 of whom could not. a. What are the phenotvpes of the parents? Father: Mother What are the POSSIBLE genotypes of the parents (hint, the father could have one...
no 15&16
Clownfish exhibit three phenotypeni red, yellow, and orange. If a red clownfish is mated with a yellow clownfish, the resulting progeny are all orange. a. What type of inheritance pattern do you suspect? incomplete dominance b. Construct a Punnett square to illustrate a cross between two RRRR orange clownfish. (make up letters to represent the alleles) 15. RRR Genotypic ratio: la: Phenotypic ratio: 1: 2!! There are 4 alleles (C.ch, ch, and e) of the gene for coat...
Sex Linked Traits 4. Assume you are a genetic counselor and a couple comes to you for counseling They want to know if there is any chance that their first baby might have muscular dystrophy. M.D. is a sex linked recessive trait. Neither of the parents has M.D. but the wife's father has M.D. Prove your answer by showing the genotypes and phenotypes of the parents, grandparents and possible offspring. Parents Fill in the boxes Genotype Phenotype Possible Genotypes or...
1. Circle, underline or write in all of the homozygous genotypes listed below. og Aa AA 2. In pea plants, the dominant allele Pencodes purple flowers and the recessive allele p encodes white flowers. A plant with a pp genotype is crossed with a plant with a Pp genotype. What is the expected ratio of phenotypes in the offspring? Use a Punnett square to justify your answer. (0.5 points) 3. A mother has type A blood and she has a...
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