Describe the molecular process of X-chromosome inactivation.This description should include the three phases of inactivationand the role of the Xic. Explain what happens to the X chromosomes during embryogenesis, in adult somatic cells, and duringoogenesis.

Q: Alterations in gene number may occur in various ways. Which of the folowing best describes a…

A: Euploidy refers to an equal number of chromosomes, which is the normal condition in cell division.…

Q: QUESTION 8 Which of the following is true of the RAS proto-oncogene? O Mutations involving RAS are…

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Q: Describe the process of X-chromosome inactivation in mammals

A: X-chromosome inactivation, also known as lyonization, is a process by which one of the copies of the…

Q: Outline the role of alternative splicing in the control of sex differentiation in Drosophila.

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A: Introduction One Of Two Sex Chromosomes Is The X Chromosome. The X And Y Chromosomes Are Found In…

Q: Define the Random Monoallelic Expression: Inactivation of the X Chromosome ?

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Q: You are interested in the expression of regions of the X chromosome at different times in human…

A: The investigation of the X chromosome at different phases of human fetal development is a complex…

Q: Explain how epigenetic modifications are involved in developmentalchanges that lead to the formation…

A: Epigenetics can be defined as the study of heritable phenotype changes that do not involve any…

Q: what is the Mechanism of DNA Replication in DrosophilaChromosomes?

A: DNA replication is the process in which DNA makes a copy of itself by copying a double-stranded DNA…

Q: With regard to the numbers of sex chromosomes, explain whydosage compensation is necessary

A: Epigenetic inheritance is one of the examples of non-Mendelian inheritance pattern. It is an…

Q: Why does X inactivation occur in female mammals?

A: A Chromosome is an entire chain of Deoxyribonucleic acid (DNA) with stabilizing proteins. The DNA is…

Q: In dosage compensation, do males sometimes overcompensate or is it always Barr body X-chromosome…

A: Dosage compensation is the process by which the organisms equalizes their genetic expression between…

Q: “In an organism that reproduces asexually, there is no difference between a somatic cell mutation…

A: Somatic mutations These refers to the mutations in a single body cell, which cannot be inherited.…

Q: Why is the development of individuals with Klinefelter's and Turner's syndromes relatively normal,…

A: This syndrome occur due to presence of an additional copy of X chromosomes resulting into karyotype…

Q: Explain the process of X-Chromosome Inactivation in Mammalian Females.

A: Mammals are the vertebrate having mammary glands as one of their main characteristics which…

Q: Why does X inactivation occur in female mammals?

A: Causes of X inactivation: X-chromosome inactivation usually define through the term that they are…

Q: In X chromosome inactivation...   A-Why it is inactivated? B- How it is inactivated? C-Is the…

A: Epigenetics is the subject of heritable differences in gene representation that do not require…

Q: Explain in detail the meaning of gene fusion. How is this process related to prostate cancer…

A: A gene is referred to as the smallest structural and functional unit of heredity. They are made up…

Q: In humans, hemophilia is an X-linked recessive gene and will only be expressed in females if  they…

A: Hemophilia is a X linked recessive disorder so which is inherited in homozygous condition. In rare…

Q: Define about Several types of cellular stress events bring about rapidincreases in the nuclear…

A: The p53 is also known as the guardian of the genome. It is a tumor suppressor gene. The function of…

Q: Compared to a differentiated cell in the body, embryonic cells at the blastocyst stage have: O Less…

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Q: 48. Which of the following is the correct mechanism of equalizing X-encoded gene products in humans?…

A: As per our policy we are answering the first question only.  For the rest of the question kindly…

Q: Describe X-inactivation process in humans.

A: In humans, the sex determination is  by the XX-XY method. Males are heterogametic as they contain…

Q: What is a proto-oncogene? What are the typical functions of proteinsencoded by proto-oncogenes? At…

A: Oncogenes are those mutated or highly expressed genes that may alter the normal functioning of the…

Q: What is the spreading phase of X-chromosome inactivation? Whydo you think it is called a spreading…

A: Heterochromatization of one X chromosome begins in the late blastocyst stage of the embryonic life.…

Q: Define cyclin E–CDK2 com-plexes,

A: By the gene RB, retinoblastoma protein (Rb) is encoded. It is a tumor suppressor protein that…

Q: Explain about inactivated X chromosome in female mammalian cells ?

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Q: Describe/list the steps of how p53 can cause the GI phase to stall.

A: The p53 growth suppressor macromolecule plays a key role in the regulation of the cell cycle and…

Q: Discuss the similarities and differences between X-chromosomeinactivation and genomic imprinting

A: X inactivation refers to the inactivation of all of the genes in one X chromosome in all the somatic…

Q: If X inactivation compensates for an extra X chromosome, why do Klinefeltermales (XXY) have problems…

A: DNA is considered to be the genetic material within the nucleus that gets packed in thread-like…

Q: What is a Barr body? How is its structure different from that ofother chromosomes in the cell? How…

A: Chromosomes are the carrier of genetic material deoxyribonucleic acid (DNA). They are coiled in…

Q: In X-chromosome inactivation, when is the choice made as to which X chromosome is inactivated? Does…

A: Females have two copies of the X chromosome, producing a double dose of X-linked genes. The…

Q: Outline the process of X-chromosome inactivation.

A: The X-chromosome contains approximately 1000 genes, which are necessary for the proper development…

Q: How can human females and males function normally, despite carrying different umbers of the X…

A: Each persons normally has one pair of sex chromosomes in each cell. Females express two X chrmosome…