Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 13, Problem 11SQ
One gene that affects three traits is an example of ______.
- a. dominance
- b. codominance
- c. pleiotropy
- d. epistasis
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A cross occurs between a black homozygous mouse and a white homozygous mouse. They produce gray offspring.
What type of dominance is reflected in the scenario above?
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Labrador retrievers’ 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 _____. a. epistasis b. codominance c. incomplete dominance d. linkage
A cross occurs between a chicken with white feathers and a chicken with black feathers. This results with offspring with some black feathers and some white feathers. What type of inheritance is this?
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Chapter 13 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 13 - Prob. 1DAACh. 13 - Prob. 2DAACh. 13 - Prob. 3DAACh. 13 - Prob. 1SQCh. 13 - An organisms observable traits constitute its...Ch. 13 - Prob. 3SQCh. 13 - Prob. 4SQCh. 13 - The offspring of the cross AA aa are ________. a....Ch. 13 - Refer to question 5. Assuming complete dominance,...Ch. 13 - A testcross is a way to determine ________. a....
Ch. 13 - Assuming complete dominance, a cross between...Ch. 13 - The probability of a crossover occurring between...Ch. 13 - True or false? All traits are inherited in a...Ch. 13 - One gene that affects three traits is an example...Ch. 13 - The phenotype of individuals heterozygous for...Ch. 13 - _______ in a trait is indicated by a bell curve....Ch. 13 - Match the terms with the best description. ______...Ch. 13 - Mendel crossed a true-breeding pea plant with...Ch. 13 - Assuming that independent assortment occurs during...Ch. 13 - Refer to problem 2. Determine the predicted...Ch. 13 - For each genotype listed, what allele combinations...Ch. 13 - Prob. 5GPCh. 13 - Suppose you identify a new gene in mice. One of...Ch. 13 - Mutations in the TYR gene may render its enzyme...Ch. 13 - In sweet pea plants, an allele for purple flowers....Ch. 13 - Red-flowering snapdragons are homozygous for...
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- An organism that is heterozygous for a recessive and dominant allele will display what phenotype? A) Something completely different from the dominant and recessive phenotypes B) Recessive C) A mixture of the dominant and recessive phenotypes D) Dominant E) A dysfunctional phenotypearrow_forwardIn guinea pigs, black fur is dominant over white fur. If a homozygous dominant guinea pig were crossed with a homozygous recessive guinea pig, the first generation of offspring would _____. Select all that apply. a be heterozygous b be phenotypically identical c have all black fur d have half black fur and half white fur e be homozygousarrow_forwardis the term for a a person who has two different alleles at the same gene (locus) and both of these alleles are expressed. Group of choices (a)Recessiveness (b)Homozygosity (c)X-linkage (d)Codominantarrow_forward
- Based on the allelic gene interaction in Australian milking shorthorn cattle breeds, the mating of a red cattle (RR) and white cattle is depicted in the picture below. What is gene interaction involved in this resulting coat color of the offspring? see photo attached a. Complete dominance b. Incomplete dominance c. Codominance d. Additive gene actionarrow_forwardA type of inheritance in which a physical trait shows uninterrupted variation within a population. a) incomplete dominance b) polygenic inheritance c) dominant-recessive inheritance d) multiple-allele inheritancearrow_forwardIn an organism of genotype Aa, half the the gametes carry the A allele and half the a allele. this is due to: A dominance B recessiveness C independent assortment D segregationarrow_forward
- a)recessive epistasis b)duplicate recessive epistasis c)normal non-allelic gene interaction d)normal allelic gene interactionarrow_forwardGreen coloration is a recessive trait in pea plants. If you crossed a green pea plant with a green pea plant, the offspring could be what genotype? A. Homozygous Dominant B. Green C. Homogygous Recessive D. None of the above.arrow_forwardRed-green color blindness is a recessive trait in humans. The locus is on the X chromosome. If a color blind woman marries a normal vision man, what kind of children could they have? Group of answer choices A. color blind daughters, normal vision sons B. color blind sons, normal vision daughters C. all color blind D. all normal visionarrow_forward
- A plant that is homozygous for the recessive yellow pod color is crossed with a plant that is heterozygous. Which phenotype will appear MOST in the offspring? A. There will only be plants with green pods. B. There will be more plants with green pods. C. There will be more plants with yellow pods. D. Plants with yellow and green pods will appear in equal numbers.arrow_forwardA scientist takes a frog with green skin and mates it to a frog with brown skin. All the frogs in the next generation have brown skin. The phenotype of the F1 compared to the parents demonstrates which concept? Group of answer choices A. blending inheritance B. complete dominance C. epistasis D. law of independent assortment E. co-dominancearrow_forwardA cross between a horse homozygous for red hair and a horse homozygous for white hair results in offspring with the coat colour called roan. When you look at the fur of the roan offspring you see both red and white hairs. What type of inheritance best explains this? a) blending inheritance b)codominance c)incomplete codominance d)multiple allelesarrow_forward
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