Q: ......... is not developmental event in human and frog. After fertilization rapid cycle of…
A: Fertilization is the event that marks the fusion of the female and male gamete which leads to the…
Q: Spermatogenesis usually occurs during the ___________ and continues in the _________ stage in some…
A: * spermatogenis is the process of formation of sperm from germ cells in semniferous tubules of…
Q: Which phase of development does blastopore form Cleaveage Organogenesis Blastulation/blastula…
A: Gastrulation is the phase of development in which blastopore form Cleaveage. Blastopore is a…
Q: Gametogenesis Label the rat testis slide.
A: 1 is sertoli cells 2 is basement membrane 3 is Interstitial cells 4 is secondary spermatocytes
Q: Female Fetal Pig Reproductive System Please refer to the image to answer the question I have…
A: The excretory system is a dynamic biological system that removes many unnecessary substances from…
Q: Fill in the blank: _________________ on the inner lining of the uterine tube aid in moving a…
A: Embryo genesis is the formation of embryo and for this process to occur, ovary releases an…
Q: ___________________ fluid protects the embryo from jarred movements and provides a watery…
A: The embryo inside the womb of the mother grows in a sac like bag called the amniotic sac. It allows…
Q: How far has torsion progressed caudally? 2. To which area of the brain is the optic cup attached?
A: torsion progressed caudally to the level of 13th somites . Optic cup is the part of diencephalon .
Q: ndicate if it disappears or dissolved in the process of development. •amniotic cavity •blastula…
A: Embryonic development in plants and animals refers to the morphological and biochemical changes that…
Q: The _______ is an important structure for waste storage in birds and some mammals, but not in…
A: Extraembryonic membranes are the layers enclosing the embryo inside the uterus. There are four…
Q: Name the only TWO germ layers that give rise to your feet
A: The germ layer is one of three primary cell layers that form during embryonic development.
Q: oogenesis.
A: oogenesis -In the human female reproductive system, growth process in which the primary…
Q: tate the derivatives of the sacculus and utriculus
A: Ectoderm supposedly has vertical cells of the brain plate, the ectodermal cells move to encompass…
Q: How does oviposition occurs in female turtles. Provide the pathway involved in the oviposition…
A: Answer :- As we know that Males have a couple of penises that pass sperm from their cloaca to the…
Q: What will guide them to make the right decision? Do they have a choice?
A: Answer: 1.trophobalst or icm if cells choose to become they will end up in the placenta and if they…
Q: Write the Patterns of embryonic cleavage and whole mechanism of cleavage. Write gastrulation in sea…
A: Cleavage is the division of cells in early embryo. There may be equal or unequal divisions.
Q: -3. The figure below shows cleavage stages in an embryo. From studying the photographs, what can you…
A: On fertilization, the zygote undergoes cleavage. That is the process of development of multicellular…
Q: A human is a complex organism that develops from a zygote. Briefly explain some of the the steps in…
A: Reproduction is the process by which organisms multiply through sexual and asexual modes. It is one…
Q: In humans, implantation in the uterus occurs at whichstage of embryonic development?a. zygoteb.…
A: An embryo is an unborn offspring in the steps of development. It is part of the life cycle. It is…
Q: Birds, reptiles and insects have something in common as far as the development of their embryos.…
A: Answer :- Birds, insects and reptiles are higher vertebrate . All of these are developed from…
Q: What determines the sex of the fertilized egg? Please provide examples like research experiments…
A: Fertilization occurs when a sperm cell encounters an egg cell successfully in the fallopian tube.…
Q: differentiate the frog testis and mammal testis. Testis characteristics Frog Mammal 1. 2.
A: Although molecular clock dating suggests its break from other frogs dates back to the Permian, 265…
Q: A female egg cell has two outer membranes how does the egg cell prevent polyspermy? if polyspermy…
A: Sexual reproduction refers to the form of reproduction that occurs through the union of male and…
Q: When the embryo is implanted, what developmental stage this be? cleavage fetus blastula gastrula
A: Sexual reproduction in humans includes a fusion of sperms and eggs to form a zygote.
Q: uring the embryonic period each of the three germ layers gives rise to a number of specific tissues…
A: Triploblastic animals have three germinal layers (ectoderm, mesoderm and endoderm) during embryonic…
Q: the box below. ovaries testes semina! vesicles cloaca ovarian tubes spermatheca oviducts ovarioles…
A: Introduction Life starts from a single cell called Zygote. A zygote is formed by the fusion of the…
Q: Discuss the importance of the acrosomal cap of the sperm. Give its importance during fertilization.
A: Sp*erm cells have an head with oval-shape which protected by a cap-like covering called the…
Q: differentiate the frog and mammalian spermatogenesis. Spermatogenesis Frog Mammal
A: Spermatogenesis is the development of haploid sperm cells from germ cells in the testis'…
Q: By the end of gastrulation the [Select] * has surrounded the outside of the embryo, the [ Select ]…
A: Gastrulation refers to the process by which a gastrula is formed from a blastula. Grastrula is the…
Q: After fertilization a developing embryos goes through several changes. At about 2-3 days, what is…
A: During fertilization the haploid gametes, that is, sperm from a male and secondary oocyte from…
Q: Is the sulcus limitans present at the 72-hour stage? State the derivatives of the sacculus and
A: Embryo development is a process that occurs after the process of fertilization has occurred and the…
Q: label the pointed internal organ of a frog
A:
Q: Put “disappear”, if they disappear in the process of development and put the word “dissolved”, if…
A: Introduction Embryonic development is also called embryogenesis. It is the process where development…
Q: Among the germ layers and developmental structures below: What is/are the FORMED ANATOMICAL…
A: Introduction Embryonic development is also called embryogenesis. It is the process where development…
Q: sulcus limita
A: 1. The advancement of the trigeminal engine core in the chick incipient organism was concentrated on…
Q: After fertization occurs what is the fert
A: Fertilization : It can be defined as the union of two haploid gametes , the spermatozoa and the…
Q: The embryonic stage is completed by the end of the ___________________ week of development.
A: Embryonic development or embryogenesis is the mechanism or process by which an embryo. forms and…
Q: Explain the functions of the parts observed in the image that relatw to the male reprudctive system.…
A: Fetal pigs are unborn pigs that are generally used for dissection and are used to study mammalian…
Q: Age at Sexual Maturity (month) Semen Volume per Ejaculation Animal Age at Puberty (month) Species…
A: Sexual Maturity means when an organism is capable to reproduce.
Q: metencephalon isthmus cranial flexure ganglion V first aortic arch mandibular arch mesencephalon…
A: Hi dear, here's your answer what you want.can you please give me an upvote for this. 1)Otic cyst, or…
Q: How far has torsion progressed causally? To which area of the brain is the optic cup attached? How…
A: According to the guidelines we have to answer the first 2-3 questions rest you can ask separately,…
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: In the provided image (whole mount of 33-hour chick embryo), color the respective germ layers and…
A:
Q: Describe the similarities and the differences between oogenesis and spermatogenesis. Provide enough…
A: Oogenesis and spermatogenesis are the process of formation of male and female gametes. The…
Q: This is the outermost layer that protects from water loss but allows for gas exchange: amnion…
A: An embryo is present at an early stage of the development of a multicellular organism. The formation…
Q: Where does fertilization normally takes place in a human female.
A: Fertilization is the process of fusion of female gamete (ovum) and male gamete (sperm). Both the…
Q: likely to happen if there are any errors during thae gastrulation stage
A: Embryo development The embryo develops in 4 major stages which are, fertilisation cleavage…
Q: An early stage embryo consisting of mutiple layers is a blastula O True False
A: In mammals, a blastula is an initial phase of embryonic development.
Q: In tabular form, Cite the differences of spermatogenesis on frog and chicken.
A: "Spermatogenesis" is the process by which mature male gametes are produced, which subsequently…
Q: Compare the processes of oogenesis andspermatogenesis in humans
A: A cell that contains half the number of chromosomes of a somatic cell and able to unite with one…
what are the developmental process of a fertilized ovum of a dog
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- Make a flowchart to show early embryonic development in humans. Start with the zygoteWhich phase of development does blastopore form Cleaveage Organogenesis Blastulation/blastula Fertilization GastrulationWhat are the correct pairings of developing and embryonic structures in the gastrulation of chickens? Multiple answers is possible. If no correct option is given write the proper pairings. a. Epiblast – ectoderm b. Secondary hypoblast – endoderm c. Primary hypoblast – endoderm d. Migrating cells - mesoderm
- Ectodermal Derivatives of the Developing Chick Embryo A. 33-hour Chick Embryo Transverse Sections B. 48-hour Chick Embryo Transverse Sections C. 72-hour Chick Embryo Transverse Sections QUESTIONS: State the derivatives of the sacculus and utriculusIn the early stages of amphibian development, what layer is involved in yolk digestion? What is the basis for the distinction between germ layers in gastrulation? (min. 5 sentences)what evolutionary advantages does the amniotic egg have? explain how each component of the egg plays a role in survival of the embryo
