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Name: Which of the following is not an example of a wild-type allele?a. Yell
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Description: Which of the following is not an example of a wild-type allele?a. Yellow-flowered elderflower orchidb. Red-flowered elderflower orchidc. A gray elephantd. An albino (white) elephant

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Which of the following is not an example of a wild-type allele?a. Yellow-flowered elderflower orchidb. Red-flowered elderflower orchidc. A gray elephantd. An albino (white) elephant

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 11CT: You decide to breed a pair of guinea pigs, one black and one white. In guinea pigs, black fur is...

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In guineapigs, an allele for rough fur (R) is dominant over an allele for smooth fur (r); an allele for black coat (B) is dominant over that for white (b). You have an animal with rough, black fur. What cross would you use to determine whether the animal is homozygous for these traits? What phenotype would you expect the offspring if the animal is homozygous?
The gene S determines the stripe color of a kind of snake. It has two alleles which are codominant with each other: one allele (S1) causes red stripes, and the other (S2) causes white stripes. What do you predict a heterozygous (S1S2) snake will look like? Select one: a. Assortment of pink, red, and white stripes b. All pink stripes c. No stripes d. Both red and white stripes
Roan color in cattle is the result of incomplete dominance between red and white color alleles (R/r) of a single gene that controls coat color. How would one produce a herd of pure-breeding roan-colored cattle? Choose an answer below: Cross roan with roan animals Cross red with white animals Cross roan with white animals Cross roan with red animals It cannot be done.
Which of the following statements illustrates codominance? Select one: a. Red flowers crossed with white flowers produce pink flowers. b. Individuals who are heterozygous for the sickle cell anemia allele are more resistant to malaria. c. Two parents with blood types A and B can have children with blood type O. d. Grey heterozygous chickens have black and white feathers.
In the labrador coat color example ______ genotype would give you pure breeding black dogs (i.e. dogs that when crossed to one another would only produce puppies with black fur), ______ genotype would give you pure breeding brown dogs, and _____ genotype would give you pure breeding yellow dogs. In the potential answers the first genotype is black, the second is brown, and the third is yellow Group of answer choices A . BBEE, 2. bbEE, 3. ee with any B genotype B. BBee, 2. bbee, 3. EE with any B genotype C. BB with any E genotype, 2. bb with any E genotype, 3. bbEE D.. BBee, 2. bbee, 3. bbEE
Wooly, curly hair is due to a rare dominant allele (H) and its recessive allele (h) produces straight hair. Another gene has 2 alleles: (B) dark hair is dominant over (b) blonde. A woman with wooly, blonde hair marries a man with straight, dark hair. Their daughter has straight, blonde hair. What phenotypes and in what proportions can they expect among future children?
A 1:2:1 genotype ratio underlies the 3:1 phenotype ratio in the F2. The purple allele is designated A while the white allele is designated a. What are the genotypes of the 1:2:1 ratio? a. Aa:aa:AA b. AA:aa:Aa c. aa:Aa:AA d. a:AA:Aa e. AA:Aa:aa
In mice, black fur (B) is dominant over brown fur (b). Two black mice had only black offspring. Which of the following offspring genotypes could result from the parental cross? Select all that apply. A. BB B. Bb C. bb
In guinea pigs, the allele for short hair (S) is dominant. Show the cross for a homozygous short haired guinea pig and a long haired guinea pig. Show all five steps to solving the problem.
In sheep, coat color is influenced by two genes. Gene A influences pigment production, while gene B produces black or brown pigment. If two heterozygous white sheep resulted in 12 white sheep, 3 black sheep, and 1 brown sheep, which genotype(s) of the white sheep explain this data? A) The white sheep could be A-B- or aaB-. B) The white sheep could be A_B_ or aabb. C) The white sheep could be A_B_ or A_bb. D) The white sheep must all be aabb. E) The white sheep must all be A_B_.
Suppose a mutant fruit fly with blue eyes was recently discovered. It is later determined that the blue eye trait is recessive to the wild-type red eye trait. What is the most common way to represent the mutant and wild-type alleles?. Choices are Mutant: Bl, bl Wild-type: Bl+ , re, bl+, or wt
Which of the following is false? a. the pollen grain shape was studied by Mendel. b. Mendel believed that the characteristics of pea plants were determined by the inheritance units or factors from both parents. c. An allele is one of several possible forms of a gene. d. When the genotype consists of a dominant and recessive allele, the phenotype will be like the dominant allele.