Pleaseeee answer all the questions correctly and in details.1. CREATE DIAGRAMS to outline the muscle contraction s (starting from neurons impulse) of a professional weightlifters during a weight lift WITH EXPLANATION.2. CREATE DIAGRAM to OUTLINE the homeostasis and stress responses of a professional weightlifter during a weight lift. Polydactyly is a rare dominant trait found frequently in people of African Americandescent in which the hand has one or more extra fingers. A male with polydactyly,who has a mother with non-polydactyly, moves to an island that is inhibited bypeople who are not of African American descendant. Assuming that no otherAfrican American immigrate to the island, calculate the probability that a great-grandchild of this male will have polydactyly and briefly explain your answer.

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answer all the questions correctly and in details. 1. CREATE DIAGRAMS to outline the muscle contraction s (starting from neurons impulse) of a professional weightlifters during a weight lift WITH EXPLANATION. 2. CREATE DIAGRAM to OUTLINE the homeostasis and stress responses of a professional weightlifter during a weight

answer all the questions correctly and in details. 1. CREATE DIAGRAMS to outline the muscle contraction s (starting from neurons impulse) of a professional weightlifters during a weight lift WITH EXPLANATION. 2. CREATE DIAGRAM to OUTLINE the homeostasis and stress responses of a professional weightlifter during a weight

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter20: Chromosomes And Human Genetics

Section: Chapter Questions

Problem 7CT: The following pedigree shows the pattern of inheritance of red-green color blindness in a family....

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Wooly hair is a rare dominant trait found in people of Scandinavian descent in which the hair resembles the wool of a sheep. Amale with wooly hair, who has a mother with straight hair, movesto an island that is inhabited by people who are not of Scandinavian descent. Assuming that no other Scandinavians immigrate tothe island, what is the probability that a great-grandchild of thismale will have wooly hair? (Hint: You may want to draw a pedigree to help you figure this out.) If this wooly-haired male haseight great-grandchildren, what is the probability that one out ofeight will have wooly hair?
Both members of a couple know that they are carriers of the cysticfibrosis allele. None of their three children has cystic fibrosis, but anyone of them might be a carrier. The couple would like to have a fourthchild but are worried that he or she would very likely have the disease,since the first three do not. What would you tell the couple? Would itremove some uncertainty from their prediction if they could find outwhether the three children are carriers?
A young couple went to see a genetic counselor because each had a sibling with cystic fibrosis. (Cysticfibrosis is a recessive disease, and neither member ofthe couple nor any of their four parents is affected.)a. What is the probability that the female of thiscouple is a carrier?b. What are the chances that their child will havecystic fibrosis?c. What is the probability that their child will be acarrier of the cystic fibrosis disease allele?
In Figure 1-6, the students have 1 of 15 different heights,plus there are two height classes (4′11″ and 5′ 0″) forwhich there are no observed students. That is a total of17 height classes. If a single Mendelian gene can account for only two classes of a trait (such as purple orwhite flowers), how many Mendelian genes would beminimally required to explain the observation of 17height classes?
If individuals II-5 and II-4 have another child, the probability of this child having the polydactyly trait is ___%.
. Tay-Sachs disease is a rare human disease in which toxic substances accumulate in nerve cells. The recessiveallele responsible for the disease is inherited in a simpleMendelian manner. For unknown reasons, the allele ismore common in populations of Ashkenazi Jews ofeastern Europe. A woman is planning to marry her firstcousin, but the couple discovers that their sharedgrandfather’s sister died in infancy of Tay-Sachsdisease.a. Draw the relevant parts of the pedigree, and showall the genotypes as completely as possible.b. What is the probability that the cousins’ first childwill have Tay-Sachs disease, assuming that all peoplewho marry into the family are homozygous normal?
Marfan’s syndrome is an example of pleiotrophy where individuals with a copy of the dominant allele have skeletal disorders, mitral valve prolapse and characteristic slender, loose joints. If Abraham Lincoln had a marfanoid disorder which he inherited from his mother, what are the chances he passed this trait on to his offspring? Consider that Mary Todd Lincoln, his wife, was 5’2”. please include a punnett square
Huntington disease is a rare dominant condition in humans that results in a slow but inexorable deteriorationof the nervous system. The disease shows what mightbe called age-dependent penetrance, which is to saythat the probability that a person with the Huntingtongenotype will express the phenotype varies with age.Assume that 50% of those inheriting the HD allele willexpress the symptoms by age 40. Susan is a 35-yearold woman whose father has Huntington disease. Shecurrently shows no symptoms. What is the probabilitythat Susan will show symptoms in five years?
Two average-sized parents have three children. The first child is very short, the second very tall, and the third is average in height. Explain the inheritance pattern for height in this family. In particular, how is it possible for the parents to have both very short and very tall children?
In Figure 2-11, assume (as in corn plants) that allele Aencodes an allele that produces starch in pollen and allele a does not. Iodine solution stains starch black. Howwould you demonstrate Mendel’s first law directly withsuch a system?
a. The ability to taste the chemical phenylthiocarbamideis an autosomal dominant phenotype, and the inabilityto taste it is recessive. If a taster woman with a nontasterfather marries a taster man who in a previous marriagehad a nontaster daughter, what is the probability thattheir first child will be(1) A nontaster girl(2) A taster girl(3) A taster boyb. What is the probability that their first two childrenwill be tasters of either sex?
Using the given pedigree chart, suppose individuals III-1 and III-2 are expecting their sixth child. What is the chance (percent) that the sixth child will have the sickle cell trait?