Summarize the role of the Xist gene in X inactivation inmammalian cells.

Q: Describe various types of asexual reproduction.

A: The act of reproducing is referred to as reproduction. It is a biological process in which an…

Q: pathways during

A: Introduction : Oviposition :-It involves the deposition of the mature egg outside the body of the…

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: Explain how the mouse and the fruit fly differ in the chromosomal control of sex determination.

A: Sex determination is a biological system by which the development of the sexual characteristics in…

Q: Name the chromosomes which donot take part in sex determination.

A: Chromosomes are rod-shaped condensed chromatin fibers that act as hereditary vehicles as they store…

Q: Distinguish between the concepts of sexual differentiation and sex determination.

A: Sexual reproduction is a type of reproduction in which organism under goes different cycles like…

Q: Differentiate between following. a. specification and determination in development b. anisogamy and…

A: a. specification and determination in development If a cell/tissue is capable of differentiating…

Q: Which of the following factors istare) translocated to the grey crescent following cortical rotation…

A: The grey crescent is a cortical region of the newly fertilised egg of frogs and some salamanders…

Q: Discuss how and why the queen honey bee aborts the worker bees' sexual maturation.

A: * Basically honey bee Colony have three types of honey bees namely  Queen bee Drones Worker bees…

Q: Describe inactivation between the two meioticdivisions inhibits DNA replication.

A: Meiosis is a special type of cell division that results in the formation of four daughter cells that…

Q: describe the types of natural and artificial conditions that inhibit activation in necrophagous flie

A: Necrophagous flies is predominate a cadaver in terms of species diversity and individual numbers,…

Q: 5. Indicate how the following perturbations affect dorsal/ventral patterning of the somites. a.…

A: Answer :: a) shh stands for Sonic hedgehog. This acts as a ligand for patched receptor. Shh are…

Q: Describe the role of the SRY gene in mammalian sexual development.

A: The human male genital or reproductive system has two sections, the external and internal male…

Q: How does the animal regulate the temperature of its scrotum during hot and cold climatic conditions?

A: The Scrotum is a sac of skin that hangs from the body at the front of the pelvis , between the legs.

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: State the function of leydig cells.

A: Leydig cells or interstitial cells are present in the testicle. These cells have eosinophilic…

Q: Describe the cascade of RNA splicing events initiatedby the Sxl protein that results in female…

A: In drosophila, the pre-mRNA undergoes sex-specific splicing to control sex determination. The…

Q: Explain how and why the queen honey bee abort the sexual maturation of the worker bees?

A: Queen bees have a specialised reproductive system , which lets them make some choices on the types…

Q: Explain how and why the Queen bee abort the sexual maturation of the worker bees?

A: * Honey bee Colony consists of three types of Bees  A single queen Hundreds of male drones…

Q: Explain the chromosomal and genetic control of sex determination in mammals. Clearly establish the…

A: Mammals belong to the class Mammalia. They are vertebrates. It belongs to the kingdom Animalia and…

Q: Identify four functions of invertebrate neurohormones and describe the regulation of insect…

A: The four functions of invertebrate neurohormones are as follows- 1. Reproduction 2. Molting3.…

Q: Under what conditions does evolution select for sexualreproduction in C. elegans?

A: Evolution selects for sexual reproduction in C. elegans in the presence of parasites like…

Q: Could Bicoid be a morphogen thatdetermines the anterior end of a fruit fly?

A: A morphogen is a protein whose concentration gradient affects the developmental fate of the…

Q: Discuss the molecular players in myogenesis. Specify their role in the process.

A: Embryonic stem cells are pluripotent cells that can differentiate and proliferate into different…

Q: Explain the asxual reproduction

A: Reproduction is the production of offspring. There are two types: Sexual reproduction  Asexual…

Q: State one way in which Xenopus and chick development are same and one way that they differ? ASAP

A: The process of development of an animal is known as developmental biology. This process may follow…

Q: Explain the process of estrus synchronization.

A: Reproduction is the process that involves fusion of the male and female gametes in order to produce…

Q: briefly describe one benefit an organism that uses asexual reproduction

A: Introduction  Asexual reproduction is a type of reproduction in which a single parent produces a new…

Q: Is Barr's Corpuscle a Reliable Tool for Sex Determination?

A: Canine morphology is used for the determining the sex. However aside from this technique, X and Y…

Q: The tertiany structure of a proteln is establised by.

A: Primary Structure of protein is a linear sequence of amino acids that is linked by peptide/amide…

Q: Give account of events that occur following mating and before the onset of cleavage in mammals

A: The vertebrate animals that have the ability to give birth to young ones and can provide nourishment…

Q: Name the sex cells of sexually reproducing animal.

A: Sexual reproduction is the production of a new organism in which the male gametes fuse with a female…

Q: What are the mechanisms by whichmicrotubule attachment and tensionare sensed at the kinetochore by…

A: A cell is a small, membrane-bound organism that contains all of the chemicals and molecules…

Q: What result would Jost have obtained if female development alsorequired a signal from the gonad?

A: Endocrine system is a regulatory system of ductless glands that secrete chemical messengers called…

Q: Explain and elaborate how and why the queen honey bee abort the sexual maturation of the worker…

A: Honey bees have two types of female bees. One is called the worker while the other is called the…

Q: Explain a phenotype that can occur when an animal gets two mutant alleles of the Homeotic (Hox)…

A: Gene is that part of the DNA that expresses specific traits in a cell, a gene that has a promoter,…

Q: Briefly describe the molecular processes that cause one X chromosome in each female cell to be…

A: Inheritance is the process of transmitting the traits from parent to offspring. Traits of an…

Q: why does a high concentration of Abscisic acid (ABA) inhibit elongation of the coleoptile segments?

A: According to the question, we have to explain the reason behind the inhibition of elongation of…

Q: Explain why sexually reproducing organisms are often better suited to changes in their environment…

A: Reproduction  Reproduction is a biological process of producing new organisms known as offsprings.…

Q: What is used to covert BGP to G3P

A: BGP is 1,3-bisphosphoglycerate and G3P is Glyceraldehyde-3-phosphate. Both these compounds are…

Q: Compare the behavior of cohesin complexes duringmitosis, meiosis I

A: Cohesin refers to a multi-protein complex that controls the division of sister chromatids during…

Q: Describe how a morphogen acts in development.

A: Morphogen in development :-

Q: Summarize the hierarchy of zygotic segmentation genes.

A: Zygotic segmentation genes are the action of a large group of genes that are expressed by zygote’s…

Q: Describe the advantages of estrus synchronization.

A: Estrous is the heat period that is produced as a cycle in the animals except humans. The cycle…

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.