Sex-linked traits are those found on the sex chromosomes. Typically, recessive sex-linked traits are seen with much greater frequency in the phenotype of males. Also, male children have to inherit their specific traits from their mothers. Why is this statement true? short answer(dumbed down please) Please answer asap and type your answer and do not copy from anywhere please

Sex-linked traits are those found on the sex chromosomes. Typically, recessive sex-linked traits are seen with much greater frequency in the phenotype of males. Also, male children have to inherit their specific traits from their mothers. Why is this statement true? short answer(dumbed down please) Please answer asap and type your answer and do not copy from anywhere please

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Description: Sex-linked traits are those found on the sex chromosomes. Typically, recessive sex-linked traits are seen with much greater frequency in the phenotype of males. Also, male children have to inherit their specific traits from their mothers.Why is this

Medical Terminology for Health Professions, Spiral bound Version (MindTap Course List)

8th Edition

ISBN:9781305634350

Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. Schroeder

Publisher:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. Schroeder

Chapter2: The Human Body In Health And Disease

Section: Chapter Questions

Problem 17LE

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This question is about a medical condition that is inherited as an autosomal dominant allele. In this condition the dominant allele is lethal when homozygous. Recall that autosomal genes are found on non-sex chromosomes. Two parents who are thinking of having another child are trying to determine the likelihood of passing on this allele to their children. They consult you to find the answers to their questions. One of them has the condition and one does not. Their first child is unaffected. What is the probability that their second child is unaffected? Express your answer as a decimal to 2 decimal points, e.g. 0.81. If your answer is a whole number, e.g. 3, then leave it as 3.
An autosomal trait that is expressed in both males and females but not in the same fashion (for example an allele may be dominant in males and recessive in females) is called a/an trait.
X-linked lissencephaly is an X-link dominant trait pertaining to a brain disorder. It superficially resembles an autosomal dominant trait because both the daughters and sons of an affected female parent can be affected. Mr. Panganiban is affected by the said disorder while his wife is not. Using your knowledge in predicting the genetic possibilities of the offspring, what do you think would happen to their sons and daughters in the first filial generation? Females affected by an X-link dominant have 50% for their sons and daughters to be affected. Father affected by the X-linked dominant trait can transmit the trait to all his daughters. Males with lissencephaly could transmit the genetic disorder for both sons and daughters. Lissencephaly is an X-link limited dominant trait. It usually affects males because they have only a single chromosome.
A male presenting with clinical features as greater height, poor coordination, less body hair, breast growth and seems less interest in sex. He is also facing difficulty in speech. What your knowledge depicts that he is suffering from which genetic disease.
“Keeping it in the family!”- How do you think consanguinity is increasing the risk factors of genetic disorders? Explain with at least two examples .
Two parents who do not have color blindness have a daughter who has only one X chromosome and is color-blind (this genotype is written XO since she is missing an X). Color blindness is inherited in an X-linked recessive manner.
“Keeping it in the family!”- How do you think consanguinity is increasing the risk factors of genetic disorders? Explain with examples
Suppose gene B is X-linked and is embryonically lethal when homozygous or hemizygous recessive. A man marries a woman who is heterozygous for this gene. They want to have three kids – one girl and two boys. Using a Punnett square, answer the following: What is the probability that they will have a son that dies before birth? _______________________ What is the probability that they will have a daughter who has the same genotype as her mother? _________________ One of their daughters eventually has a child with a man. One of their sons dies before birth. What was the genotype of this daughter? _______________________________ please show me how to get the answer and explain how you got and use a punnet square
Geneticists are concerned about three different genetic conditions present within their family. Achondroplasia is an autosomal dominant genetic disorder that results in short-limbed dwarfism. (A = achondroplasia allele; a = average height allele). Red-Green Color blindness is an X-linked recessive genetic disorder (Xc = color blindness allele; XC = normal color vision allele). The 7-year-old son has an autosomal recessive form of deafness. (h = deafness allele; H = normal hearing allele.) All three family members were karyotyped, and additional genetic testing was performed to determine the chromosomal location of the genes being studied. The figures below show the karyotypes of the mother and father with respect to the chromosomes containing the three genes mentioned above. Question: The couple’s 7-year-old son has all three of these genetic conditions (achondroplasia, color blindness and deafness). Taking into consideration the genotypes of his parents, what is the complete…
Both have a genetic disorder, but they already have one child who does not have the disorder. They would like to have more children and were told by a friend that since their first child was normal their future children would be normal as well. Explain to them the probability of future offspring being normal or having the disease (assume that this is an autosomal disease). Be sure to tell them whether the disease is brought about by a dominant or recessive allele and what fraction of their children (if any) could be carriers for the disease.
The next three questions go together. Duchenne's muscular dystrophy (DMD) is a disease caused by a recessive allele at a gene on the X chromosome. Polydactyly is caused by a dominant allele at an autosomal gene. If a phenotypically normal woman who's father had DMD has a child with man who is heterozygous for the allele causing polydactyly but is otherwise normal, what is the probability that the child will have elther DMD or polydactyly, but not both? Part I: What is the cross? A ppxx x PpxDxD B- PPXPXX Ppx©y C- ppx"x x Ppxdy D- ppxx x PpxOy OC OB O A OD Question 11 Part II: What is the probability the child will have polydactyly but not DMD? Enter your answer to two decimal places leg. 0.88). Question 12 Part II: What is the probability that the child will have either DMD or polydactyly, but not both? Enter your answer to two decimal places (eg. 0.88).
Hemophilia is another example of a X-linked disease caused when a recessive allele (Xh) is expressed. If a normal male reproduces with a heterozygous normal female, what are the expected genotypes and phenotypes? Will any of their daughters develop hemophilia? As in the previous question, you must also give the gender of the child in your genotype and phenotype descriptions here.