when bred together produced 12 hearting puppies and 4 deaf puppies. What are the genotypes of all the dogs? Parents’ genotype(s)? Hearing puppies’ genotypes (multiple answers)? Deaf puppies genotype(s)? Of the hearing puppies only, how many are expected to be homozygous for this trait (use a Punnett Square to solve).

when bred together produced 12 hearting puppies and 4 deaf puppies. What are the genotypes of all the dogs? Parents’ genotype(s)? Hearing puppies’ genotypes (multiple answers)? Deaf puppies genotype(s)? Of the hearing puppies only, how many are expected to be homozygous for this trait (use a Punnett Square to solve).

Name: 5) Because of extensive inbreeding, pure-bred dogs are afflicted with
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Description: 5) Because of extensive inbreeding, pure-bred dogs are afflicted with many genetic disorders. Most of these disorders are recessive. For example, deafness is a recessive genetic disorder affecting many breeds of dogs, especially Dalmations. Two heari

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter19: Introduction To Genetics

Section: Chapter Questions

Problem 5CT: When you decide to breed your Labrador retriever Molly and sell the puppies, you discover that two...

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When you decide to breed your Labrador retriever Molly and sell the puppies, you discover that two of Mollys four siblings have developed a hip disorder that is traceable to the action of a single recessive allele. Molly herself shows no sign of the disorder. If you breed Molly to a male Labrador that does not carry the recessive allele, can you assure a purchaser that the puppies will also be free of the condition? Explain your answer.
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?
In humans, dark hair (D) is dominant over blondness (d), and color blindness (c) is a sex-linked recessive trait. A woman has a blond brother, a blond mother, and a dark-haired father. Her brother and her parents have normal vision. She bears the following three children by her blond, normal-visioned husband: a dark-haired son with normal vision, a dark-haired daughter with normal vision, and a dark-haired color blind son. If he is a colorblind boy, what is the probability that he will have dark hair?
In mice, the presence of a dominant A allele results in the agouti pattern of fur color, whereas the aa homozygous recessive results in a solid color pattern. The presence of another dominant B allele results in black fur color, whereas the homozygous recessive bb results in brown fur color. The presence of a third dominant C allele is required for any color to be observed (brown or black), whereas the homozygous recessive cc results in lack of any color whatsoever (albino). What is the phenotype of a mouse with the following genotype? Aa bb cc albino Agouti color pattern and brown Solid color pattern and brown Agouti color pattern and black Solid color pattern and black
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Assume that hair color, hair line, and skin tone in humans are different traits that are controlled by independently-assorting genes. Brown hair (B) is dominant to blond hair (b), a widow’s peak (W) is dominant to a straight hairline (w), and freckles (F) are dominant to no freckles (f). What is the likelihood that the child of a BBWwff person and a bbwwFF person will have: brown hair, a widow’s peak, and freckles? There is no missing information, just have to set up the punet square and I'm not sure how to do all traits.
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.) A female poodle with green eyes (recessive) and yellow spots on her tongue (recessive) was bredwith a male poodle who was the wild-type phenotype but hybrid genotype for those same two traits.In a series of litters, this breeding pair gave birth to the following 85 puppies:39 Normal eyes, normal tongue36 Green eyes, yellow-spot tongue6 Green eyes, normal tongue4 Normal eyes, yellow-spot tonguea.) Use the symbols grn and grn+ for the green eyes gene, and yel and yel for the yellow tonguegene and give the genotypes of the parents of this cross. (Remember, each parent has twoalleles for each gene.)b.) Now give the expected genotypes of the offspring.c.) If these two genes were unlinked, given the way the cross was constructed, what ratio wouldyou expect to see among the four categories of offspring shown here?d.) Now match up the expected phenotypes (answer to 2b) with the actual offspring.e.) Which categories of dogs are “parental types” and which are recombinant types?f.) Do these…
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Albinos produce very little of the pigment melanin in their skin and hair. Albinism is inherited as a homozygous recessive trait. In North America, about 1 in 20,000 people are albinos. a. What is the frequency of the dominant allele for albinism?b. What is the frequency of albinos?c. What is the frequency of heterozygotes?