Genetics183EXERCISE #4."Genetic Problems"99Cases of Complete Dominance1. Gregor Mendel grew different varieties of pea plants in his garden.When he crossed yellow-seed plants with green-seed plants, he alwaysgot yellow pea seeds.a. What is the dominant allele?b. What is the genotype of all green-seed plants?Use the Punnett Square to show Mendel's cross.d. Do the parent yellow-seed plants have the same genotype asthe offspring yellow-seed pea plant?Parent:Offspring:What genetic fact do you know about any yellow-seed pea plant?е.f. If yellow-seed pea plants are dominant to green-seed peaplants, why are there mostly green pea seeds in nature?2. A dark-eyed man mates with a light-eyed woman and they have tendark-eyed children.a. What is the dominant allele?b. What is the genotype of all light-eyed people?What are the genotypes of the two parents?andd. What is the genotype difference between the dark-eyed parentand the dark-eyed offspring?Parent:Offspring:e. When two heterozygous dark-eyed people (Dd) are crossed,what is the phenotype ratio of dark-eyed offspring to light-eyedoffspring? (Use the Punnett Square to get your answer.)A Special Note on Eye ColorEye color is probably due to multiple alleles and more than one genepair. The numerous phenotypes are determined by genes that control boththe amount and the distribution of a dark pigment called melanin. Exceptfor albinos, everyone has some eye pigmentation.Eye color is determined mainly by the location of melanin in the irisof the eye. Concentrated melanin particles appear as brown; dilutemelanin particles appear as yellow or yellow-brown.

Name: Genetics183EXERCISE #4."Genetic Problems"99Cases of Complete Dominanc
Uploaded: 2024-03-20T06:43:04.000Z
Channel: Bartleby
Description: Genetics183EXERCISE #4."Genetic Problems"99Cases of Complete Dominance1. Gregor Mendel grew different varieties of pea plants in his garden.When he crossed yellow-seed plants with green-seed plants, he alwaysgot yellow pea seeds.a. What is the domin

According to our guideline we can answer only the first three subparts of the first question. So,…

Science

Biology

66 "Genetic Problems" Cases of Complete Dominance 1. Gregor Mendel grew different varieties of pea plants in his garden. When he crossed yellow-seed plants with green-seed plants, he always got yellow pea seeds. a. What is the dominant allele? b. What is the genotype of all green-seed plants? c. Use the Punnett Square to show Mendel's cross. d. Do the parent yellow-seed plants have the same genotype as the offspring yellow-seed pea plant? Parent: Offspring: e. What genetic fact do you know about any yellow-seed pea plant? f. If yellow-seed pea plants are dominant to green-seed pea plants, why are there mostly green pea seeds in nature?

66 "Genetic Problems" Cases of Complete Dominance 1. Gregor Mendel grew different varieties of pea plants in his garden. When he crossed yellow-seed plants with green-seed plants, he always got yellow pea seeds. a. What is the dominant allele? b. What is the genotype of all green-seed plants? c. Use the Punnett Square to show Mendel's cross. d. Do the parent yellow-seed plants have the same genotype as the offspring yellow-seed pea plant? Parent: Offspring: e. What genetic fact do you know about any yellow-seed pea plant? f. If yellow-seed pea plants are dominant to green-seed pea plants, why are there mostly green pea seeds in nature?

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter12: Mendel's Experiments And Heredity

Section: Chapter Questions

Problem 20RQ: Labrador retriever's fur color is controlled by two alleles, E and B. Any dog with the ee genotype...

See similar textbooks

Similar questions

Labrador retriever's fur color is controlled by two alleles, E and B. Any dog with the ee genotype develops into a yellow lab, while B_E_ dogs become black labs and bbE_ dogs become chocolate labs. This is an example of.____ epistasis codominance incomplete dominance linkage
1. Honeybee workers undergo a resistant behavioral pattern called hygienic behavior. Susceptible worker genotypes failed to remove the diseased larvae, so that the disease spread easily throughout the honeybee colony. a) When inbred lines of resistant genotypes were crossed with inbred lines of susceptible genotypes, the F1 worker bees showed unhygienic behavior.Is hygienic behavior dominant or recessive in these bees? Why?
2.In dogs, there is a hereditary deafness caused by a recessive allele, d. A kennel owner has a male dog that she wants to use for breeding purposes if possible. The dog can hear, but the owner is unsure of the genotype. She does a testcross (crosses it to a homozygous recessive dog), and two of the five offspring are deaf. This means that the male dog A.has the genotype DD B.has the genotype Dd C.is still of unknown genotype since there were offspring of both deaf and hearing phenotypes. D.has the genotype dd
Human genetics 1In humans, widow's peak (W) is generally dominant to a straight hairline (w), and having a chin dimple is generally dominant (D) to not having a chin dimple (d).A man who is heterozygous for both widow's peak and chin dimples marries a woman who is also heterozygous for both traits. What is the phenotype of the woman? Group of answer choices 1. wwdd 2. WwDd 3. straight hairline and no chin dimple 4. widow's peak and chin dimple
4. Huntington diseases is a rare fatal, degenerative neurological disease in which individuals start to show symptoms in their 40s. It is caused by a dominant allele. Joe, a man in his 20s, just learned that his father has Huntington disease. a. What is the probability that Joe will also develop the disease?b. Joe and his new wife have been eager to start a family. What is the probability that their first child will eventually develop the disease?
R = round, r = wrinkled, Y = yellow, y = green. Is this a monohybrid or a dihybrid cross? 3. What are the two dominant alleles? 4. What are the two recessive alleles?
4.) A man and a woman have a child. The father is blood type A, and one of his parents was blood type A and the other was blood type O. The mother is blood type B, and one of her parents was blood type B, the other type O. Both the father and the mother are carriers of the Bombay allele. (Neither of the type-O grandparents were type O because of the Bombay allele – they had the regular type O genotype.) WhataretheoddsthattheirbabywillhavebloodtypeO? WhataretheoddsthattheirbabywillhavebloodtypeAB? (Hint – for this question, you should draw out a pedigree and fill in as much as you can for the genotypes of BOTH genes that are involved.)
1. Hereditary deafness in dalmations (d) is a recessive trait. What percentage of the progeny of crossing DD × Dd will be expected to be a carrier of the deafness allele, but not deaf? (enter a number only) 2.In snapdragons, a flowering plant, red (R) flower colour is dominant to white (r). The heterozygous condition results in pink flower colour. If a two pink flowered snapdragons are crossed, what is the resulting phenotype ratio? Select one: a.2:2 b.1:1:1:1 c.1:2:1 d.3:1 e. (all will be the same)
6) Duchenne muscular dystrophy (DMD) is a muscle wasting disease and is an X-linked recessive disorder. A man with this disease has children with a woman who does not have the disease, but her father did. If they had a ason, what would be the chance that he would have DMD? If they had a daughter? Any child? Construct a Punnett square to determine the answers. 10) In cats, coat color is completely dominant to albino (Mendelian genetics) and is an autosomal trait. Playa is a female albino cat and is crossed with Azul, a black-coated male. In their first litter, they have 4 black kittens and 2 albino kittens. If in the second litter, they have 8 kittens, how many of the kittens are expected to be albino? Construct a Punnett Square to determine the answer.
11. Blood type is controlled by a gene with multiple alleles. A produces type A blood. B codes for type B blood. A and B are codominant so a heterozygote has type AB blood. The O allele is recessive to both A and B and produces type O blood. A. What are the possible genotypes of a man with type A blood? B. What are the possible genotypes of a man with type B blood? C. Can a man with type B blood be the father of a baby with type O blood? Why or why not? Explain your answer. D. A man with type A blood marries a woman with type B blood. What blood types are possible for their children? Explain your answer. E. A man with type O blood is in a car accident and has to receive a transfusion at the hospital. What types of blood can he receive? F. In the Charlie Chaplin paternity case of the 1940s, a young woman sued Chaplin for child support, claiming he was the father of her child. Chaplin’s blood was type O, the mother was type A and the baby was type B. Could…
7. In guinea pigs, black hair colour (B) is dominant and brown hair colour (b) is recessive. Long hair (L) is dominant and short hair (l) is recessive. Answer the following questions: (a) Diagram the cross: BbLl x BbLL (b) What are the phenotypes of the parent generation? (c) What are the genotypes and phenotypes of the F1 generation?
1)Flower colour in snapdragon plants is a single gene trait controlled by two alleles.In a population of 235 plants, 72% of the alleles are recessive. What is the frequency of the dominant allele in the gene pool? Record your answer as a value between 0 and 1 rounded to two decimal places. Answer 2)In mice, the waltzing allele (w) that causes the mouse to run in circles due to an inner ear defect is recessive to the non-waltzing allele (W). In an ideal mouse population exhibiting Hardy–Weinberg equilibrium of 150 mice, 70% of the alleles are non-waltzing. What is the frequency of the recessive allele? Record your answer as a whole number percentage. Answer% 3)Grey eyes (b) are recessive to brown eyes (B) in rabbits. In an ideal rabbit population exhibiting Hardy–Weinberg equilibrium, if allele b has a frequency of 0.33, what percentage of the population is heterozygous for this trait? Round your answer to the nearest whole number. Answer% 4)In tomatoes, red fruit (R) is…