Q: pathways during
A: Introduction : Oviposition :-It involves the deposition of the mature egg outside the body of the…
Q: indicate the stage at which segmentation genes, homeotic genes, and egg-polarity genes would have an…
A: The function of genes is to transfer the information required for the synthesis of proteins. The…
Q: Briefly discuss the components that make up the exoskeleton. List the hormones responsible for this…
A: The external skeleton that provides support and protection to the animal’s body is known as the…
Q: Explain the advantages and disadvantages of self fertilization in these flatworms
A: Flatworms are the organisms that belong to the phylum “Platyhelminthes’. These organisms are…
Q: What is the chemical structure or aminoacid pattern of Moult inhibiting hormone (MIH)
A: The exoskeleton present on insects and crustaceans deter their growth and hence molting is required…
Q: Why does the dispersion or contraction stage of the developmental cycle assume a complex character
A: Family development is a notional methodology for the orientation of the research and set an abstract…
Q: Invagination of the sea urchin blastulaA. is preceded by changes in the shape of individual…
A: Invagination is a process occurring during gastrulation. It includes movement of cells at the…
Q: Discuss the process and pathways of fertilzation in turtles. Also provide or show a diagram how does…
A: In Males there's have one or two penises that pass sperm from their cloaca to the cloaca of a female…
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: Which of the following steps of sea urchin fertilization initiates the formation of the…
A: Fertilization is the union of male ( spermatozoa ) and female ( ovum ) gametes which results in the…
Q: Illustrate an egg in the morula stage. How does its size compare with that of the fertilizied egg?
A: MORULA STAGE OF EGG- It is an early stage of embryo consisting of 16 cells called blastomeres which…
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: 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: Describe the evidence that the development of honeybee queens is due to exposure to royal jelly.
A: Ans: The honey bee is a type of eusocial flying insect and belongs to the genus Apis.
Q: Name and explain: Name the crustacean and other animals that have moult inhibiting hormone (MIH).…
A: Hormones are chemical signals that play an important role in physiological functions. Hormones are…
Q: Give two examples of invertebrate hormones that regulate metabo-lism.
A: Invertebrates are group of animals that do not have a vertebral column. These animals possess an…
Q: Asexual reproduction does exist with numerous unique adaptations, but it is normally sexual with…
A: Reproduction is the biological process where new individual organisms (offspring) – are produced…
Q: Compare and contrast the juvenile hormone and moult inhibiting hormone.
A: Hormones are the chemical messengers of the body. They travel through the bloodstream to various…
Q: Describe hormonal control of metamorphosis in insects, including the action of each hormone and…
A: Metamorphosis is a biological phenomenon that involves physical changes in the animal after it has…
Q: Compare and contrast the mechanisms of egg activation in internal versus external fertilization.
A: Fertilization is part of sexual reproduction, responsible for the fusion of gametes. In case of…
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: Identify the functions of the three major hormones that controlgrowth and development in insects.
A: Hormones are chemicals that are secreted by certain types of glands and perform various…
Q: Explain how the three hormones involved in insect growth— ecdysone, juvenile hormone, and…
A: The class Insecta undergo morphological and biological changes after birth through the process of…
Q: Expand on the sentence "both activation and inhibition are involved in embryonic development."…
A: Embryonic development is also named as embryogenesis . There are following steps . The embryonic…
Q: Briefly describe the reciprocal signal transduction pathways that establish parasegmental boundaries…
A: Drosophila embryogenesis, is a process by which fruit fly (Drosophila) embryos are formed, is a…
Q: Please describe the role of estradiol, prolactin, luteinizing hormone, progesterone and inhibin in…
A:
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: Compare and contrast gametogenesis in starfish and sea urchin.
A: Answer--
Q: t causes an egg to grow in the ovary.
A: Answer: Luteinizing hormone (LH), the other reproductive pituitary hormone, aids in egg maturation…
Q: Based on the text for roaches: 1. Describe how the pest mates. 2. Describe the development of the…
A: Introduction American cockroaches scientific name : Periplaneta americana Length : 3 inches or 50 mm…
Q: List three hormone-dependent reproductivedisorders and describe the role of the hormone ineach case.
A: The hormones produced by the reproductive organs are called the reproductive hormones. They are…
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: Explain fertilization of sea urchin from Recognition of egg and sperm, Gamete fusion
A: NOTE:- As you have mentioned multiple parts in one question, we will solve the first three parts for…
Q: Give the approximate length of the various parts of the oviduct of a female chicken including its…
A: The different parts of oviduct of a female chicken along with their length are: Infundibulum: 2…
Q: redict what would happen if Ca2+ was injected into an unfertilized sea urchin egg.
A: Sea urchins are tiny, round echinoderms usually found in the depth of the ocean. The body has radial…
Q: Diagram spermatogenesis in mammals. Begin with a spermatogonium possessing six chromosomes;…
A: Chromosome is a compact structure of a DNA molecule wrapped around some proteins. It is generally…
Q: Briefly discuss the role of hormonal system in the release of bovine eggs for in vitro fertilization
A: In vitro fertilization (IVF) is a procedure in which eggs are removed from a female's ovaries and…
Q: Explain how the presence of Notonecta chemical cues affects gene expression in the Daphnia
A: Daphnia is the planktonic crustaceans of size range 0.2 to 5 millimeters. These species belong to…
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: Describe the step-by-step fertilization process in an amphibian. (Please include the structures…
A: Amphibians are the organisms that belong to the class Amphibia. As the name amphibians are Greek…
Q: Describe the step-by-step fertilization process in an amphibian.
A: Fertilization is the combination of haploid gametes, egg and sperm, to frame the diploid zygote.…
Q: Describe the hormonal control of human male reproduction system with the help of a flow chart &…
A:
Q: Occasionally, two-headed animals such as this turtle are born.Thinking about the occurrence of…
A: Introduction In the rare scenario more than one child can be born to a human female in a single…
Q: Describe the pre-gastrulation morphogenesis found in Amphibian development.
A: The pre-gastrulation morphogenesis found in Amphibian development is an important process that sets…
Q: Draw the chromosomes in the zygote (cell after fertilization) egg cell fertilization sperm cell of
A: The fusion of feale gamete (egg cell) and male gamete (sperm) is termed as fertilization.
Explain the action or effect of moult-inhibiting hormone in insects development (exclusively in mosquitoes).
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- Identify four functions of invertebrate neurohormones and describe the regulation of insect development.Describe hormonal control of metamorphosis in insects, including the action of each hormone and where each is producedIdentify the functions of the three major hormones that controlgrowth and development in insects.
- State the function of homeotic genes. Describe how nurse cells in fruit flies can affect larval development independent of the larval genotype.Explain the wingless and hedgehog feedback mechanism that is used to pattern the fly embryo.Describe the events that lead to slow and fast blocks to polyspermy and the differences between the "wave of depolarization" that passes over the egg and the "action potential" that propagates along a neuron.