Concept explainers
A space probe discovers a planet inhabited by creatures that reproduce with the same hereditary patterns seen in humans. Three
Want to see the full answer?
Check out a sample textbook solutionChapter 12 Solutions
Campbell Biology in Focus (2nd Edition)
Additional Science Textbook Solutions
Concepts of Genetics (12th Edition)
Fundamentals of Anatomy & Physiology (11th Edition)
Microbiology: Principles and Explorations
Human Anatomy & Physiology
Essentials of Human Anatomy & Physiology (11th Edition)
- Below is a pedigree of a human blinding disease. Use this pedigree to answer the following questions. If this is disease has an autosomal recessive inheritance pattern, what is the probability that if individuals IV-5 and III-5 had and offspring it would exhibit the disease? a) 25% b) 33% c) 11% d) 17% e) 6%arrow_forwardDr. Disney has been raising exotic fruit flies for decades. Recently, he discovered a strain of fruit flies that in the recessive condition have baby blue eyes that he designates as bb. He also has another strain of fruit flies that in the recessive condition have pink wings that are designated as pw. He is able to establish flies that are homozygous for both mutant traits.He mates these two strains with each other. Dr. Disney then takes phenotypically wild- type females from this cross and mates them with double recessive males. In the resulting testcross progeny, he observes 500 flies that are of the following makeup:41 with baby blue eyes and pink wings207 with baby blue eyes only210 with pink wings only42 with wild-type phenotype14. Assuming the wild-type alleles for these two genes are b+ and pw+, what is the correct testcross of the F1 flies?A) b+ pw+/b pw ⋅ b pw/b pwB) b+ pw+/b pw ⋅ b pw+/b+ pwC) b+ pw/b pw+ ⋅ b pw/b pwD) b+ pw/b pw+ ⋅ b+ pw+/b pwE) b+ pw+/b pw ⋅ b+ pw/b…arrow_forwardIn human blood chemistry, the I gene directly determines ABO blood antigens and the H gene takes the H-substance precursor and makes the H-substance. IAIO Hh x IBIO Hh. Given the following cross, help me with the question please 17. What type of allele interaction is this, the influence of alleles at gene H versus those at gene I?A) dominance B) recessive C) incomplete dominance D) epistasis 18. What is the likelihood of a child with a type O serotype based on a blood test?A) 0.0 < p < 0.1 D) 0.3 < p < 0.4 G) 0.6 < p < 0.7 J) 0.9 < p < 1.0B) 0.1 < p < 0.2 E) 0.4 < p < 0.5 H) 0.7 < p < 0.8C) 0.2 < p < 0.3 F) 0.5 < p < 0.6 I) 0.8 < p < 0.9arrow_forward
- Assume that right-handedness (R) is genetically dominant over left-handedness (r) in humans, and that brown eyes (B) are genetically dominant over blue (b). A right-handed, blue-eyed man marries a right-handed, brown-eyed woman. Their two children are (1) right handed, blue eyed and (2) left handed, brown eyed. The man marries again, and this time the woman is right handed and brown eyed. They have 10 children, all right handed and brown eyed. What are the probable genotypes of the man and his two wives?arrow_forwardA homozygous red pigmented female beetle (bb) is bred with a black pigmented male of unknown genotype. It’s unknown if the male homozygous dominant (BB) or heterozygous (Bb) for the pigment trait. The color of their offspring will help identify the genotype of the male. What do you call this method used to determine the genotype of the male beetle? Explain your answer by using Punnett square to show possible offspring genotypes.arrow_forwardIn cattle, the gene for hornless (H) is dominant to the gene for horned (h), the gene for black (B) is dominant to that of red (b), and the gene for white face, or Hereford spotting, (S) is dominant to that for solid color (s). A cow (female) that is heterozygous for all traits is inseminated by a bull (male) of the genotype bbhhSs. What is the probability of obtaining a calf that is a black, hornless bull with Hereford spotting?arrow_forward
- Consider the following statement: ‘female, w+w flies have red eyes’. In this example: Group of answer choices 1) w+w is the genotype, and red eyes is the phenotype 2) female is the genotype, and red eyes is the phenotype 3) not enough information provided to determine genotype or phenotype 4) red eyes is the genotype, and w+w is the phenotypearrow_forwardMendel's pea plants were a good choice for studying heredity, because: a) They have lots of easily observable traits that vary in an either-or manner. b) Their mating is uncontrollable. c) There are separate male and female plants. d) The plants are incapable of cross-pollination.arrow_forwardCan you please help answer this question?arrow_forward
- In Border Collies, black coat (B) is dominant to red coat (b). A breeder has a black male that has won numerous awards.T he breeder would like to use the dog for breeding if he is purebred (BB). To learn this information, she testcrosses him with a red female (bb). a) If the black male is BB, what kind of gamete (sperm) can he produce? b) If the red female is bb, what kind of gamete (eggs) can she produce? c) If the black male is Bb, what kind(s) of gametes (sperm) can he produce? d) If any of the puppies are red, what is the father's genotype?arrow_forwardSex-specific imprinting distinguishes male and female genomes and is inherited in a parent-of-origin-specific manner. Such imprints are established in the germline during gametogenesis and remain intact throughout embryonic and postnatal development. Access the Imprinted Gene Catalogue website https://www.geneimprint.com/Links to an external site.. Click on “Search by Species Name” and then click on “Human.” Find 4 disorders that involve imprinting: 2 transmitted from the mother and 2 from the father, and use OMIM to describe the phenotypes (you may include images of phenotypes) and explain their underlying cause(s). Paternal Imprint Maternal Imprint 1 2 Include referencearrow_forwardIn humans, the ability to smell hydrocyanic acid (HCN) is inherited as a recessive trait (h = can smell HCN, H = cannot smell HCN). A woman, a man, and their biological child are all standing in a room. The child can smell the HCN but the parents cannot. 1.) What is the genotype of the child? 2.) What are the possible phenotypes of the parents?arrow_forward
- Human Anatomy & Physiology (11th Edition)BiologyISBN:9780134580999Author:Elaine N. Marieb, Katja N. HoehnPublisher:PEARSONBiology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStaxAnatomy & PhysiologyBiologyISBN:9781259398629Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa StouterPublisher:Mcgraw Hill Education,
- Molecular Biology of the Cell (Sixth Edition)BiologyISBN:9780815344322Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter WalterPublisher:W. W. Norton & CompanyLaboratory Manual For Human Anatomy & PhysiologyBiologyISBN:9781260159363Author:Martin, Terry R., Prentice-craver, CynthiaPublisher:McGraw-Hill Publishing Co.Inquiry Into Life (16th Edition)BiologyISBN:9781260231700Author:Sylvia S. Mader, Michael WindelspechtPublisher:McGraw Hill Education