The pedigree below tracks the inheritance of a genetic disorder through a family's generation.Determine the probable inheritance mode for the trait shown in the affected individual (theshaded symbols) by answering the following questions.III23 4 57III2 36 7 85(i)Based on the pedigree, Y-linked inheritance can be excluded at a glance. Give yourreason.(ii)What TWO (2) other modes of inheritance can be definitely excluded? Explain youranswer.Of the remaining modes of inheritance, which is the most likely? Which is lesslikely? Explain your answers.(ii)

Question 1. Y Linked Inheritance does not occur because it has 2 rules, All males should be…

Answered: The pedigree below tracks the…

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter18: Genetics Of Behavior

Section: Chapter Questions

Problem 14QP: A pedigree analysis was performed on the family of a man with schizophrenia. Based on the known...

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A pedigree analysis was performed on the family of a man with schizophrenia. Based on the known concordance statistics, would his MZ twin be at high risk for the disease? Would the twins risk decrease if he were raised in an environment different from that of his schizophrenic brother?
A couple who are about to get married learn from studying their family histories that, in both their families, theirunaffected grandparents had siblings with cystic fibrosis(a rare autosomal recessive disease).a. If the couple marries and has a child, what is theprobability that the child will have cystic fibrosis?b. If they have four children, what is the chance that thechildren will have the precise Mendelian ratio of 3:1 fornormal:cystic fibrosis?c. If their first child has cystic fibrosis, what is theprobability that their next three children will be normal?
The pedigree below represents the inheritance of a rare genetic disorder (members joining the pedigree are not carriers). Consider the following pedigree and answer questions (i) to (vii) below. The allele descriptors are B/b. What is the mode of inheritance in this pedigree ? Y-linked inheritance X-linked recessive inheritance X-linked dominant inheritance Autosomal recessive inheritance Autosomal dominant inheritance What is the genotype of individual III-2 ? a) XbXb b) XBXB c) XBXb d) Bb e) bb What is the genotype of individual IV-3 ? a) XbXb b) XBXB c) XBXb d) Bb e) bb Individual IV-4 and an unaffected woman is planning a family. What is the probability that their first child will be phenotypically normal ? a) chance that the first child will be phenotypically normal. b) chance that the first child will be phenotypically normal. c) chance that the first female child will be phenotypically normal; all male children will be phenotypically normal. d) chance that the…
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?
Identify the pattern of inheritance shown in each of the following pedigrees. If the pedigree illustrates more than one (1) mode of inheritance, just choose one. Afterwards, determine the genotype and phenotype of the first 5 individuals in each pedigree
The given pedigree chart corresponds with generational cystic fibrosis. If individuals III-2 and III-3 were to have a second child, what is the probability that their second child will have cystic fibrosis?
Consider the two traits: Blood Type B (Parents and Child with Blood Type B, Grandparents unknown) and Hanging Earlobe (Parents and Child with Blood Type B, Grandparents unknown). From this, create a 3-generation pedigree chart (starting from grandparents' generation).What is a possible analysis regarding the mode of inheritance of the observed traits?
In each of the following pedigrees (A, B) by inspection, determine the mode of inheritance involved. Indicate the possible genotypes of all individuals in all the pedigrees.
A rare disease is found in a family as shown in the pedigree below. Assuming complete penetrance, answer the following questions below. Q1) What is the most likely mode of inheritance for this pedigree? Please explain your answer.
For this pedigree, give the most likely mode of inheritance, assuming that the trait is rare. For the pedigree, what is the probability that III-4 and III-5 will have a boy AND he will be affected?
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?
Given the following pedigree: Is the trait autosomal or sex-linked? Is the trait dominant or recessive? Based only on the information given, what is the probability that I-2 is heterozygous? Give the genotypes of individuals II-3, II-4. What is the probability that individual III-1 is purebreeding?

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The pedigree below tracks the inheritance of a genetic disorder through a family's generation. Determine the probable inheritance mode for the trait shown in the affected individual (the shaded symbols) by answering the following questions. I II 2 3 4 5 6 7 II 2 3 5 6 7 8