Describe the inheritance pattern of maternal effect genes. Explainhow the maternal effect occurs at the molecular and cellular level.What are the expected functional roles of the proteins that areencoded by maternal effect genes?

Q: Define the term maternal effect genes, and explain why the protein products of some of these genes…

A: Genes come in pairs and are responsible for the inheritance and expression of the associated…

Q: Describe how P elements are used to producetransgenic Drosophila.

A: Genetics is a branch of science that deals in the study of genes, heredity, and genetic variation of…

Q: What does the apparent need for dosage compensation mechanismssuggest about the expression of…

A: Dosage compensation is the epigenetic mechanism in which the expression of genes is equalized in…

Q: Outline the molecular steps in the process of X-chromosomeinactivation (XCI). Which step plays a key…

A: Euchromatin is defined as the active form of chromosomal DNA whereas heterochromatin is defined as…

Q: Explain the two major mechanisms by whichchromosomal rearrangements take place.

A: The breaking and reassembling of chromosomal segments accompanying evolution that can occur within…

Q: Provide a proof that a different phenotype can be produced from the same genotype. What are the…

A: A phenotype is a set of observable characteristics about a person, such as height, eye colour, and…

Q: a. Explain the difference between maternal inheritanceof organelle DNAs and maternal effect…

A: There are two types of sex chromosomes X and Y chromosomes. The autosomes are the same in both male…

Q: What genetic criteria distinguish a case of extranuclear inheritance from (a) a case of Mendelian…

A: Extra nuclear inheritance is the type of inheritance pattern in which genetic information which is…

Q: Explain how coat color in mice is epigenetically modified by dietary factors.

A: Epigenetics is the study of heritable changes in gene expression that do not involve changes to the…

Q: How would a human with a mutation in a maternaleffect gene most likely be recognized?

A: Maternal genes are the genes that allow the deposition of their gene product like RNA or protein in…

Q: What type of epigenetic change is responsible for genomic imprinting?

A: Epigenetic refers to the patterns of inheritance that involve the alterations in characteristics…

Q: Explain the difference between maternal inheritance of organelle DNAs and maternal effect…

A: Branch of biology that deals with the concepts of inheritance and variation is called genetics. It…

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

A: The GAL4-UAS framework is a biochemical technique used to examine quality articulation and capacity…

Q: Would the pattern of segment-polarity gene expression be normal if one or more gap genes were not…

A: Segment polarity are required for patterning within each embryonic segment and mutations in genes…

Q: With regard to development, what would the dire consequences beif polycomb group complexes did not…

A: Polycomb-group proteins basically refer to the proteins possessing the ability to remodel…

Q: heterozygous female and  a recessive male. From the offspring, backcross the recessive female with…

A: introduction  In mutagenesis evaluates for latent female sterile changes on the second chromosome of…

Q: In drosophila, a recessive mutation (m-) of a maternal effect gene results in an abnormal phenotype…

A: Genes are the basic units of heredity. The study of heredity is called Genetics. A gene has two…

Q: In the Fast Forward Box Visualizing X ChromosomeInactivation in Transgenic Mice, suppose the…

A: Transgenic mice are the animal models that are used to study the functions of a specific gene by…

Q: A rare class of dominant gain-of-function _______ arisesfrom neomorphic mutations that generate a…

A: Genes are the hereditary unit of the DNA that when expressed display a certain phenotype. A…

Q: List the three major classes of segmentation genes and outline the function of each.

A: Segmentation means dividing the embryo into even smaller segments. the specific structures are then…

Q: Define about random monoallelic expression ?

A: Genes are carriers of hereditary in organisms. A gene is a DNA sequences having two alleles in it…

Q: Determine the correspondence of the gene X and gene Y to the mutant gene causing Trp-phenotype

A: An organism's genotype is influenced by its genome as well as by its environment. The physical…

Q: Explain how a loss-of-function allele in a gene encoding a cohesin protein could be dominant to…

A: Cornelia de Lange syndrome (CdLS) is a rare human disease caused by a dominant loss-of-function…

Q: drosophila, a recessive mutation (m-) of a maternal effect gene results in an abnormal  phenotype…

A: Given  Recessive mutation = m-  Normal gene = m+  homozygous female(m-m-) egg can't support…

Q: Construct a map for the genes d,e,f. Assume that: d and e = 3%; e and f = 5%. Give 2 arrangements of…

A: Linkage map or chromosome map is the linear graphical representation of the sequence and a relative…

Q: Distinguish among maternal effect genes, segmentation genes, and homeotic genes in Drosophila.

A: The pattern along the eventual head to tail (antero-posterior) axis of the flies Drosophila…

Q: What type of epigenetic mark is responsible for genomic imprinting?

A: Epigenetic mark allows genes to switch off or on. These generally change the way genes are…

Q: How many number of genes a Mouse (Mus musculus) has ?

A: The study of genomes' design, functioning, development, sequencing, and modification is the core of…

Q: In drosophila, a recessive mutation (m-) of a maternal effect gene results in an abnormal  phenotype…

A: Alleles are the alternative forms of a gene, that can occupies the same locus of a homologous…

Q: Explain the Retrotransposons—the Copia –White-Apricot System in Drosophila ?

A: In Drosophila the w(a) allele differs from the red-eye gene (w+) by the insertion of the…

Q: Why is it that mutations in bicoid and nanos exhibit genetic maternal effect in Drosophila (a…

A: the bicoid gene is a maternal effect gene in Drosophila which is responsible for the development of…

Q: Describe how dna binding proteins contact the dna (b)How does the acetylation of lysines on the…

A: DNA binding proteins  Special sites which are called as DNA binding Domain are present on the DNA…

Q: List the factors believed to cause the wide variance between the maternal andbetween the maternal…

A: The fetus is connected to the mother with the help of an umbilical cord. The exchange of food, and…

Q: What Control ElementsRegulate Expression ofthe mPGES-1 Gene?

A: The mPGES-1 gene in humans is responsible for encoding an enzyme involved in the synthesis of…

Q: Mutating the gene Transformer (tra) in Drosophila that is chromosomally XX leads to the development…

A: A mutation is a change in an organism's DNA sequence. Mutations can occur as a result of mistakes in…

Q: When mice carrying the Avy allele exhibit a darker coat, thisphenotype is thought to be caused by…

A: When mice carry Avy allele, it exhibits the darker coat. This phenotype is thought to be caused by…

Q: How is the alternative splicing of Robo3 temporally regulated during midline crossing?

A: Alternative splicing is a mechanism which increases the complexity of gene functions in many…

Q: In a particular strain of Neurospora, a poky mutation exhibits biparental inheritance, whereas poky…

A: The pattern of inheritance of genes relates to the reproduction of organisms. Most of the characters…

Q: Explain Maternal effect mutants affecting AP axis patterning

A: The fruit fly Drosophila melanogaster is well suited to genetic screens because their phenotypes are…

Q: Explain Sex-specific splicing of the primary fru transcript.?

A: Drosophila melanogaster is a common fruit fly. It is most common subject used in majority of genetic…

Q: Compare and contrast the molecular mechanisms leading to FX syndrome and to FSHMD.

A: Introduction :- A gene originally known as FMR1 gene by scientists and responsible for FXS is…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.