Q: Why do some fruit flies have white eyes?
A: Allele is the modification of the gene. Alleles are of two types, namely dominant and recessive.
Q: A black mouse mate with brown mouse and all the offspring are black .why are no brown offspring…
A: In a heterozygote, Mendel's law of dominance notes that one trait will hide the presence of another…
Q: State the function of homeotic genes. Describe how nurse cells in fruit flies can affect larval…
A: Homeotic genes are a group of genes that control the pattern of body formation during early…
Q: Sawfly larvae differ from Lepidoptera caterpillars | by having more prolegs. | by having…
A: Sawfly larvae ( belonging to order Hymenoptera) are immature stages of wasps or bees that have…
Q: If a fertilized Drosophila egg is punctured at the anterior end and a small amount of cytoplasm is…
A: Egg polarity genes are the earliest activated genes, which decide the formation of main body axis;…
Q: Describe one similarity and one difference between selfing and asexual reproduction.
A: Hello! Since you have asked multiple question, we will solve the first question for you. If you want…
Q: You’re conducting a science experiment and notice that fruit flies with rounded wings produced more…
A: Recessive and dominant traits come into existence when the gene has two different forms of alleles.…
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: Double-fertilization in flowering plants is the process whereby one sperm cell fuses with the egg…
A: In flowering plant reproduction, double fertilisation is the fusing of the egg and sperm, as well as…
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: Which process could occur in maple trees to describe b the chromosome number in pollen cells from 52…
A: The meiotic division in maple plant will reduce the chromosome number in pollen cells from 52 to 26.…
Q: Explain why the recessive white eye gene in male fruit flies can disappear in one generation and…
A: White eye color is recessive. It is due to a mutation in a gene in the pigment pathway resulting in…
Q: In Mammals, the Sex of an Offspring Is Determined by the Sex Chromosome in the Sperm
A: Mammals is a class in the animal kingdom which is characterized by its warm-bloodedness and females…
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: Seed plants have the remarkable ability to bring male and female gametes together when conditions…
A: Seed plants have the remarkable ability to bring male and female gametes together
Q: Generate a hypothesis that may explain how contact by a sperm to the outside of the cell membrane of…
A: Calcium is stored in large amounts in endoplasmic reticulum and is released at the time of sperm egg…
Q: Explain further the topic about sexual reproduction in animals and give some examples .
A: Sexual reproduction is a complicated process that involves two parents resulting in the production…
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: In the wild, would moth parents have offspring that are identical in color to them?
A: Introduction : Genetics is the scientific study of genes and heredity, or how specific attributes or…
Q: Illustrate the top-to-bottom and head-to-tail orientation of the fruit fly embryo.
A: The fruit fly is known as Drosophila melanogaster is a common fly found on fruits like ripe bananas.…
Q: Unchanging environments are advantageous to organismsa. that reproduce asexually.b. that undergo…
A: Asexual reproduction is the type of reproduction where there is no fusion of male and female gametes…
Q: Illustrate a model of female reproductive system of frog showing structures and pathways during…
A: Oviposition is a widespread process in vertebrates apart from eutherian mammals, and it refers to…
Q: In some mites, males pass genes to their grandsons, but they never pass genes to their sons.…
A: Single-gene disorders have five distinct inheritance modes: autosomal dominant, autosomal recessive,…
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: 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: Name the phenomenon by which dark coloured moth orginated from light coloured moth.
A: Peppered moth or Biston betularia is a type of nocturnal moth that has stout like bodies. It has two…
Q: Name the haploid and diploid individuals in the family of honey bees and analyze the reasons behind…
A: The presence of a single chromosome pair in the cells of an organism is referred to as haploidy.…
Q: Explain the action or effect of moult-inhibiting hormone in insects development (exclusively in…
A: Molt-inhibiting hormone (MIH) is a principal endocrine hormone regulating the growth in crustaceans.
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: Describe one similarity and one difference between selfing and asexual reproduction:
A: Step 1 Palaeontology or palaeobiology is the study of past life based on fossils and its…
Q: Which among these insects secrete seducin by the male which both attracts and pacifies the untamed…
A: All insects secrete pheromones to attract the opposite sex. Bombus lapidaries, a bee, release…
Q: Give two ways nature uses to hide differences between X- and Y-sperm in mammals?
A: Most cells of the mammals contain both an X and a Y chromosome, but in the process of…
Q: Explain and elaborate sexual and asexual reproduction in both plants and animals.
A:
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: Which form of reproduction is useful to an animal with little mobility that reproduces sexually? a.…
A: Answer is d.) hermaphroditism.
Q: explain the process of gamete formation in plants.
A: Gametes are the haploid cells that fuse during the process of fertilization to form a diploid cell,…
Q: In sea urchin, which step of egg and sperm recognition is mediated by Bindin? A) Sperm binding to…
A: Question- In sea urchin which step of egg and sperm recognition is mediated by Bindin ? Sperm…
Q: Explain the wingless and hedgehog feedback mechanism that is used to pattern the fly embryo.
A: ANSWER;-The wingless & hedgehog that is used to pattern the fly embryo. Wingless:- Its earliest…
Q: A small amount of cytoplasm will leak out of a fertilized Drosophila egg if it is punctured at the…
A: In wild type, Anterior end consists of bicoid protein in high concentration and in posterior end…
Q: Propose an experiment and suggest a control treatment for each of the following questions. Do…
A: Sex reversal may take place in bearded dragon if the eggs are incubated at 32°C or above. In bearded…
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: How is the frequency of cotransduction related to the relative position of genes on a bacteial…
A: Cotransduction is the process of transduction of two or more genetic loci that are carried by a…
Q: why did the waggle dance evolve in bees and not in ants
A: Waggle dance is a term used in beekeeping and ethology for a particular figure-eight dance of the…
Q: make a Venn diagram, to discuss the similarities and differences of reproduction in plants and…
A: Plants are eukaryotic multicellular organisms. Plant cells consist of the cell walls for the support…
Q: Hymenopteran Insects ( Bees, Ants, and Wasps) use the haplo/diploid sex determination system to…
A: Hymenopteran Insects follow Haplodiploidy or arrhenotokous parthenogenesis type of sex-determination…
Q: Describe industrial melanism and the effect it had on peppered moths.
A: adaptation to environments is a form of natural selection which helps forming species .
Q: Suggest two pros and two cons of the trip made by the Monarch butterfly?
A: Migration in simple terms refers to the movement of individuals from one place to another. Migration…
Describe the evidence that the development of honeybee queens is due to exposure to royal jelly.
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- How does the insect circulatory system carry out physiological insect defence mechanisms? Is there a relationship between the size of the insect and the level of defense?Name the phenomenon by which dark coloured moth orginated from light coloured moth.Explain the action or effect of moult-inhibiting hormone in insects development (exclusively in mosquitoes).
- Trace the development of a megaspore mother cell to the formation of mature embryo sac in a flowering plantGive typing answer with explanation and conclusion early accumulation of beta-catenin in the nuclei of cells on one side of the Xenopus embryo. Which side does this specify? Describe briefly how the action of B-catenin lead to specification of Spemann’s organizer.Is the stage when an insect larva is within a cocoon a stage of total biological inactivity?