As a result of the abnormalities in chromosomes divergence in meiosis, there was formed the secondary oocyte, which included 22 autosomes only. What disease can the baby have, after impregnation of this secondary oocyte by the normal spermatozoon? Select one: O a. Klinfelter's syndrome O b. Turner's syndrome O c. Trisomy on the X-chromosome O d. Down's syndrome e. Edward's syndrome

As a result of the abnormalities in chromosomes divergence in meiosis, there was formed the secondary oocyte, which included 22 autosomes only. What disease can the baby have, after impregnation of this secondary oocyte by the normal spermatozoon? Select one: O a. Klinfelter's syndrome O b. Turner's syndrome O c. Trisomy on the X-chromosome O d. Down's syndrome e. Edward's syndrome

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter3: Transmission Of Genes From Generation To Generation

Section: Chapter Questions

Problem 27QP

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A karyotype shows that a child has Klinefelter syndrome (47,XXY). If the child is also colorblind (due to a recessive X-linked allele), despite his parents having normal color vision, in which parent and stage of meiosis did nondisjunction occur? And explain why .
Draw a diagram of Metaphase I and II of meiosis in the father, which illustrates the only possible way in which the father’s chromosomes could have aligned during Metaphase I, and in the subsequent Metaphase II in the same cell, in order to have resulted in the conception of the specific son who has all three of these genetic conditions (achondroplasia, color blindness and deafness).
Table shows that Turner syndrome occurs when an individualinherits one X chromosome but lacks a second sex chromosome.Can Turner syndrome be due to nondisjunction duringoogenesis, spermatogenesis, or both? If a phenotypically normalcouple has a color-blind child (due to a recessive X-linkedallele) with Turner syndrome, did nondisjunction occur duringoogenesis or spermatogenesis in this child’s parents? Explainyour answer.
Assume that you are married and by chance upon submission for an amniocentesis prenatal checkup it resulted that your baby has more than the total number of chromosomes. What will your final decision to this finding?
Assume that a trait is determined by an X-linked dominant gene. Ifthe mother exhibits the trait but the father does not, then theira. sons are more likely than their daughters to exhibit the trait.b. daughters are more likely than their sons to exhibit the trait.c. sons and daughters are equally likely to exhibit the trait
A child has a genotype AA, what possible combination of parental genotypes could have produced this offspring?
Male pattern baldness is a recessive sex-linked trait on the X chromosome (Xb). A woman, who is homozygous dominant for male pattern baldness marries a man Who has male pattern baldness. What is the probability that any son born will have pattern baldness?
a. If cell division during gametogenesis is non-meiotic, what is its consequence to the future generations of diploid organisms? b. How does non-disjunction in meiosis lead to numerical chromosomal aberration?
During oogenesis, nondisjunction of X chromosome occurred in meiosis I. If the resulting egg unites with normal sperm, what genetic disorder(s) would be produced in live-birth offspring? Explain why?
You may include drawings as part of your answers. Explain in detail 2 human chromosomal disorders. What is the chromosomal abnormality? What are the signs, symptoms, and/or resulting syndrome?
In human spermatogenesis, mitosis of a stem cell gives rise to one cell that remains a stem cell and one cell that becomes a spermatogonium. (a) Draw four rounds of mitosis for a stem cell, and label the daughter cells. (b) For one spermatogonium, draw the cells it would produce from one round of mitosis followed by meiosis. Label the cells, and label mitosis and meiosis. (c) Explain what would happen if stem cells divided like spermatogonia.
Identical twins are produced from the same sperm and egg (whichsplits after the first mitotic division), whereas fraternal twins areproduced from separate sperm and separate egg cells. If two parentswith brown eyes (a dominant trait) produce one twin boy with blueeyes, what are the following probabilities?A. If the other twin is identical, he will have blue eyes.B. If the other twin is fraternal, he or she will have blue eyes.C. If the other twin is fraternal, he or she will transmit the blueeye allele to his or her offspring.D. The parents are both heterozygotes.