In humans, dosage compensation is accomplished by:  inactivating one X chromosome in female somatic cells  inactivating one homolog from each homologous pair of chromosomes in female somatic cells  inactivating the Y chromosome in male somatic cells  increasing gene expression from the X chromosome in male somatic cell

Q: Genes with highly similar sequence are often located adjacent one another in the genome. Gene…

A: Linked genes are genes that are tightly placed on the same chromosome and tend to inherit together.…

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

A: Mutations are alterations in the DNA sequence of an organism. Small changes, such as adding or…

Q: a. In which sex, XY males or XX females, would the Sxl protein bind to the msl-2 mRNA? b. As…

A: Drosophila sex determination and dosage compensation are primarily controlled by two distinct sets…

Q: The gene that encodes the enzyme called tyrosine hydroxylase is known to be activated by the CREB…

A: The central dogma of molecular biology explains the flow of genetic information through the…

Q: rms of the cell cycle, what would happen if there was a defect in the Rb prote made it unable to…

A: Rb protein is a tumor suppressor protein that is it suppresses the tumor from growing. Hence Rb…

Q: Please answer  A mutation within an enhancer sequence regulating the expression of the ABC1 gene…

A: The transcription is the process by the RNA is produced from the DNA and this is the first step of…

Q: st noncoding RNA (ncRNA) triggers X inactivation by coating the X chromosome that produces it and by…

A: Xist is a long non-coding RNA on the X chromosome. Xist acronym is X -inactive-specific transcript…

Q: The CTCF protein is involved in the regulation of the Igf2-H19 gene cluster. Which of the following…

A: The gene expression involves transcription and later translation. Different mechanisms are involved…

Q: Occasionally, a mouse X chromosome is broken into two pieces and each piece becomes attached to a…

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

Q: QUESTION 50 Expression of the maternal vs paternal alleles for the Igf2 gene is determined by: O…

A: 50. Expression of the maternal vs paternal allele for the Igf2 gene is determine byimprinting…

Q: Progesterone is a steroid hormone (also described as a ligand) that prepares the body for pregnancy.…

A: Given:  Progesterone is a steroid hormone(also described as a ligand) that prepares the body for…

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: For a mutation to be passed onto offspring, it must be: found on the X chromosome present in a…

A: Mutation is defined as the changes in the sequence of base pairs in the DNA because of various…

Q: Standard 2b A male individual who is XYSRY has the following genotype for the AMH gene on chromosome…

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A: The foundation of sister chromatid cohesion is the cycle by which chromatin-related cohesin protein…

Q: Epistasis: 1) In violets, purple flower color (P) is dominant over white (p), but there is also a…

A: Epistasis is a condition in which the expression of one gene is affected by the expression of one or…

Q: A cultured mouse cell line has a mutation in a gene encoding a ribosomal protein. The mutant protein…

A: Chaperones are a kind of protein with similar properties that aid in protein folding. These proteins…

Q: Dystrophin is a protein that forms part of a vital protein complex that connects the cytoskeleton of…

A: Genetic Disorders are disease conditions in the body that occur as a result of gene mutations or…

Q: Explain the Drosophila genetics tool for gene expression known as the UAS-GAL4 system

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Q: List the following steps of gene expression in eukaryotes in chronological order. Also indicate…

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Q: Which of the following applies to the female sex determination in Drosophila melanogaster fruit…

A: Sex-lethal (Sxl) is the master switch gene for somatic sex determination in Drosophila melanogaster.…

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: Ⓒ Macmillan Learning Epigenetics is the study of heritable traits that are not induced by changes to…

A: The genome of an organism is a full copy of its genetic information. The proteins encoded by this…

Q: Protein P, normally stimulates apoptosis or cell death when activated. Consider a cell with a…

A: The construction of this question gives us an  information about the nature of protein P, P when…

Q: CYCLINs are regulatory proteins active for only portions of the cell cycle.  Their transcription is…

A: Cells are the fundamental units of all living organisms. Cells form different tissues in organisms…

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: Chromosomal translocation can result in cells expressing a fusion protein with uncontrolled receptor…

A: The correct answer is Tel/PDGFR

Q: When the organization of adjacent genes with highly similar sequences is in an inverted orientation,…

A: The physical unit of heredity is known as the gene. The term "inversion" refers to a mutation that…

Q: In the following partial diploid, predict if beta-galactosidase will be expressed in absence or…

A: Lac operon as the name suggests is an operon where a single promotor activates the transcription of…

Q: Please note that Hrb27C is a gene located on chromosome 2L and FRT40A refers to an FRT sequence…

A: Approach to solving the question: To solve the question, it is essential to understand the…

Q: Use the dropdowns to indicate the pattern of methylation and gene expression expected for a…

A: Here's a breakdown of the key points:Somatic cell inheritance: Somatic cells inherit one allele from…

Q: The human body contains many distinct cell types yet almost all human cells contain the same genome…

A: The human body contains many distinct cell types yet almost all human cells contain the same genome…

Q: Gene A encodes for a protein A which prevents exit from the G1 phase of the cell cycle. You are…

A: Cancer is the uncontrolled cell division that is highly under the control of genes. Cell cycle is a…

Q: Cornelia de Lange syndrome (CdLS) is a rare humandisease caused by a dominant loss-of-function…

A: Hi there! Since you have posted multiple questions, we are answering only first two sub-parts.…

Q: Which of the following are true for the c-myc gene? Select all that apply

A: Myc is a group of regulator genes that code for transcription factors. c-myc is one of the genes in…

Q: QUESTION 1: In the following partial diploid, predict if beta-galactosidase willI be expressed in…

A: The operator is mutated constitutively which means that even in the absence of lactose it has…

Q: From the results, which of the following statements can be concluded? FKBP5 gene expression WT PR…

A: Progesterone: It is an endogenous, steroid, and sex hormone that plays an important role in the…

Q: QUESTION 3: In the following partial diploid, predict if beta-galactosidase will be expressed in…

A: Lac operon is a Transcription mechanism in prokaryotes where lactose metabolism is done by producing…

Q: Q. The nuclear membrane disintegrates late in prophase of mitosis in most eukaryotic cells. Once the…

A: DNA polymerase is found in the cytoplasm outside of the nucleus.  So we can say that options C, D,…

Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.