Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Answer to first question is : The three correct answers are : 1 , 4 , and 5.
VIEW 5) The percentage of offspring that are homozygous for recessive hair length trait is 25%.
VIEW The first statement - " Is hair length in german shepherd dominant or Recessive trait? " is correct.
VIEW Statement 4 - "Is long hair in german shepherd an inherited trait" is correct.
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- I don't understand how to complete the punnet square for the assignment in the picture. Can you help me to understand the creation of the punnet square and how to complete this question?arrow_forwardThe following pedigree represent a disease that is very rare in the human population and completely penetrant. What is the mode of inheritance? What is the probability that a child indicated with an "A" will inherit the disease? SHOW YOUR WORK. A? Enr the toolhar prees Al T+F10 (PC)gr ALT+EN+F10 (Mar)arrow_forwardThis pedigree (below) shows inheritance of a genetic disorder in a family. Assume the trait is rare. What is the mode of inheritance for this trait? [Select] You know this because that mode of inheritance is characterized by: [ Select] • An affected male parent passes the allele to [Select] and [Select] individuals who have the allele express it and and [Select] of his daughters. • An affected female parent passes the allele to [Select] of her daughters. ㅇㅁㅇㅁ î то ◆ of his sons of her so ?arrow_forward
- Tay-Sachs disease is a rare human disease in which toxic substances accumulate in nerve cells. The recessive allele responsible for the disease is inherited in a simple Mendelian manner. For unknown reasons, the allele is more common in populations of Ashkenazi Jews of eastern Europe. A woman is planning to marry her first cousin, but the couple discovers that their shared grandfather’s sister died in infancy of Tay-Sachs disease.a. Draw the relevant parts of the pedigree, and show all the genotypes as completely as possible. b. What is the probability that the cousins’ first child will have Tay-Sachs disease, assuming that all people who marry into the family are homozygous normal?arrow_forwardBased upon the above pedigree, How is this trait inherited. Please give specific evidence by identifying each generation by roman numeral, each person within that generation numerically, and stating which individuals support your claim. Look CAREFULLY!arrow_forwarddetermine if the possible alleles are complete dominate, incomplete dominance, or codominance.arrow_forward
- A farmer is interested in a new colour pattern in his breed of cattle. This trait is controlled by a single autosomal gene (Gene R) with two alleles. The R-allele results in a spotted colour pattern, while the recessive allele causes a solid colour. The farmer has a cow that has the spotted pattern. Can you suggest how the farmer can determine the genotype (RR or Rr) of his cow in a single cross? Describe this cross and provide details on how you would interpret the results.arrow_forwardPart A) You cross a fly with straight wings with a fly with curved wings to produce the F1 generation, all of which exhibit straight wings. In the F2 generation, you observe 65 straight-winged flies and 16 curved-wing flies. Based upon the results, which phenotype is recessive? Part B) You think this trait is controlled by a single gene, but the F2 numbers don’t quite match a 3:1 expected ratio. Perform a chi-square analysis to determine if the variation you observe is due to chance or not. Based upon this determination, would you keep or reject the “null hypothesis”? Show your work and explain your reasoning.arrow_forwardA rare blinding disease that has a relation to dengenerative factors is partially penetrant. In the following pedigrees for two families, the affected symptomatic individuals (black circles and squares) have been diagnosed with this disease due to the mutation in mitochondrial DNA m.14484T>C. If III.4 is homoplasmic for m.14484T>C in hair, blood, urine and other tissues examined. What will occur with IV.7 then?arrow_forward
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