Q: Infertility strikes both men and women. Describe in a summary the biological causes that impair the…
A: Introduction : Infertility is defined as the condition in which a woman is unable to conceive or…
Q: 1. Trace the pathway of spermatozoa of the male frog from the place of production up to the place of…
A: Reproduction is the production of offspring. In sexual reproduction, an organism combines the…
Q: GENESIS: Give the significance of the following: 1. sperm mitochondrial migration: 2. Nucleolar a
A: Since you have asked multiple questions , we will solve the first question for you. If you want any…
Q: Discuss the following terms in detail: 1.1 Fertilisation 1.2 Cleavage 1.3 Gastrulation 1.4…
A: Gametes are defined as the reproductive haploid cells of the organism where they consists of 23…
Q: 1. Discuss the significance of these structures which can be exhibit by some cestodes: a.…
A: There are two major phylums of helminths Nemahelminthes - also called the round worm…
Q: Explain the changes in size and position of the frog blastocoel during gastrulation. (min. 5…
A: 1.The size of the blastocoel reduces during gastrulation in frog 2.this is because of contraction of…
Q: sea star oral 4.The male gonads are called the _______________ and the female gonads are called the…
A: Sea star or starfish is a member of class Asteroidea and phylum Echinoderms. It lives in marine…
Q: Answer the following questions: 1. How are twins derived? 2. Describe a monozygotic and dizygotic…
A: Note: As Per Bartleby Guidelines For Further Answers Please Repost The Question. Introduction: A…
Q: )Name four (4) structures / tissues that form from each of the primary germ layers in the gastrula
A: Embryology is the study of development and growth of fertilized eggs(zygote) into mature embryos…
Q: 1. Label the urinogenital organs of a male frog in the provided picture. 2. In flowchart…
A: Introduction The genitourinary system, often known as the urogenital system, consists of the…
Q: Match the following terms with their definitions. Question 7 options: 1 tightly packed sphere of…
A: The development of embryo in human is known as human embryonic development, or human embryogenesis.…
Q: Egg are formed in the: I. Testes II. Penis III. Ovary IV. None…
A: The processes of formation of male and female gametes are called spermatogenesis and oogenesis…
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: 1. If there are around 200M point spermatozoa in the seminal fluid, estimate how many spermatocytes…
A: Spermatocytogenesis is the initial stage of spermatogenesis, which occurs in the male gonad of…
Q: A gastrulation does NOT Select one: A. Consist of endoderm, mesoderm, and ectoderm B. Result in the…
A: In developmental biology, gastrulation is a stage early in the embryonic development of many…
Q: Match the germ layer with the correct derivative Gastrodermis v [ Choose ] Ectoderm Endoderm…
A: There are 3 germ layers ectoderm, mesoderm and endoderm giving rise to different organs in…
Q: Write the appropriate number in the blank. Refer to the diagram Egg released (ovulation) _______…
A: “Since you have asked multiple question, we will solve the first question for you. If you 2zedwant…
Q: Follicle cells left behind after ovulation A)are shed during menstruation. B)become the corpus…
A: Ovarian follicles are found in the ovaries. At puberty there are approximately 400,000 follicles,…
Q: Cite the difference between grasshopper and rat testes. Cite the differences of spermatogenesis on…
A: Grasshoppers belong to the group of insects whereas rats belong to the group of mammals. The sexual…
Q: 3. a) Which of the following is not a teratogen: x-rays, folic acid, alcohol, mercury, HIV,…
A: These are questions about pregnancy and birth.
Q: How many spermatozoa may be formed from 8 primary spermatocytes? O 64 4 8 32 16
A: Introduction: Spermatogenesis is the process by which spermatozoa are created and developed within…
Q: Gametogenesis Label the grasshopper testis slide.
A: Grasshopper It belongs to the group of jumping insects. The jumping insects are of suborder…
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: Describe the procedure of aspiration of ova of buffalo from the ovaries?
A: In-vitro maturation is the process where the egg of the women is collected and it is allowed to…
Q: Discuss the Distinguish the formation of cleavage snails embryos. 2. Distinguish the formation of…
A:
Q: Answer in one word or one line.(i) Give the common name of Periplanata americana.(ii) How many…
A: Insects are hexapod invertebrates and the largest group within the arthropod phylum. Insects have a…
Q: State the levels of FSH, LH and Progesterone simply by mentioning high or low around 13th and 14th…
A: The menstrual cycle involves the follicular phase, ovulation, and luteal phase. The FSH is the…
Q: Oviduct Fat body Ovary- Kidney Rectum Ureter Ovisac Urinary bladder
A: The frog's testes are where sperm is made. The matured sperms from the testes are transported into…
Q: Match the terms in column A with the descriptions in column B. Column A a. blastocystb. chorionic…
A: Developmental Biology is the field of biology that studies the processes by which multicellular…
Q: 12. 11 14 13 10
A: Eggs of chicken are telolecithal and they divide through meroblastic cleavage. The development and…
Q: 1. Cite differences between grasshopper and rat testes. Cite the differences of spermatogenesis on…
A: Answer: Introduction: Differences between grasshopper and rat testes are as follows:
Q: 10. Explain what is happening in the diagram below. Also, label each with the correct process. Ovum…
A: Gametogenesis is a natural cycle by which diploid or haploid antecedent cells go through cell…
Q: multiple births are observed commonly in women treated for infertility with drugs that stimulate the…
A: Infertility: After one year of unprotected and frequent sexual intercourse with a male and female…
Q: Explain renin-angiotensin mechanism as a method to maintain blood pressure homeostasis
A: As per the guidelines, we are entitled to do only one question at a time. So, I am providing the…
Q: 7) List 2 processes that the placenta takes over by the end of the first trimester in humans.
A: The placenta takes over the production of progesterone and human chorionic gonadotropin by the end…
Q: 3 S
A: The microscopic structure depicts the tissue sectioning of Rat testis. The Labeling of the diagram…
Q: Activity 2 "Mark My Calendar" Part A-For no fertilization 1. Arrange the correct sequence of…
A: 1. Correct sequence of events in the menstrual cycle 4…
Q: Which of the following statements is false? a. Cadherins, but not integrins play a role in…
A: Fertilization takes place when the nucleus of the sperm fuses with nucleus of the eff. A zygote is…
Q: 1. What is the significance of the formation of the blastocoel and blastoderm during blastulation?…
A: Blastulation It refers to the production of blastula during the early stages of animal embryonic…
Q: 13 12 15 14 11 16 10
A: Embryology is the branch of biology that studies embryogenesis, or the formation of an embryo out of…
Q: Match the 3 germ layers with the specific structures they will develop into. Question 10 options:…
A: The reproductive growth process takes place in three principal stages. The first two weeks after…
Q: Match the tissue to the germ layer it develops from. Question Epithelium Central nervous…
A: Introduction: The three germ layers are notably noticeable in vertebrates during embryonic…
Q: Fill in the blank: The meiosis of egg formation is called _______________________.
A: Meiosis is a cell division in which the diploid cell divides into a haploid cell, reducing the…
Q: In amphibian gastrulation, are there any evidences of cephalization? Why or why not? (mi
A: Gastrulation: During gastrulation, cell movements result in a massive reorganization of the embryo…
Q: What type of gastrulation is depicted from the diagram below? (A) Blastopore Blastopore 4A 4D 4c 4b…
A: The type of gastrulation depicted from the diagram is: Epiboly
Q: What is the difference in gastrulation and blastula process?
A: Answer : the difference between gastulation and blastula process is : Gastulation is the stage of…
Q: 1. a. Discuss the relationship between the vaginal residents and the colonization of the newborn. b.…
A: Hello! Since you have posted multiple questions, we are answering the first two part only. Kindly…
Q: Identify the types of movements during gastrulation. 2. Based on your answer in question 1, discuss…
A: The process of the formation of gastrula from the blastula is called gastrulation. It involves…
Q: 1. Match the letters on the following reproductive organ the correct name 2. Match the letters on…
A: The reproductive system in the case of human beings consist of: 1. Primary sex organs: It produces…
Step by step
Solved in 2 steps
- 1. Discuss the Distinguish the formation of cleavage snails embryos. 2. Distinguish the formation of gastrulation of snails embryos. Answer 1 and 21. Trace the pathway of spermatozoa of the male frog from the place of production up to the place of release from the body in the picture. 2. Trace the pathway of the ova of the female frog from the place of production up to the place of release from the body in the picture. Trace the pathway using an arrow in the picture.Answer the following questions briefly (3-5 sentences only). 1. Why does oxygen consumption increase during gastrulation? 2. What is the purpose of applying tiny particles of carbon to the surface of the embryo? 3. What processes cause the change in the form of the embryo during gastrulation 4. Does the environment play a role in the movement of cells? 5. Why is the nuclei of the early cleavage cells considerably larger than they are in ordinary somatic cells?
- Discuss the following terms in detail 1. Fertilization 2. Cleavage 3. Gastrulation3)Male sea urchins release sperm at the optimal concentration for fertilization. True False1. Compare and contrast the embryonic development of the starfish and the sea urchin. 2. Compare and contrast gametogenesis in starfish and sea urchin. 3. What is the significance of the formation of the blastocoel and blastoderm during blastulation? What physical processes initiates and accomplish the formation of the gastrula?
- Activity 1. Define each of the concepts below. Acrosome Amnion Blastocyst Blastula Chorion Cortical reaction Extraembryonic membranes Gastrulation Holoblastic Isolecithal Meroblastic Morula Placenta Radial cleavage Spiral cleavage Telolecithal Trophoblast Activity 2. Using the concepts from Activity 1, make mini-concept maps (two concepts connected by a relationship) by connecting each concept to at least one other.1. Match the letters on the following reproductive organ the correct name 2. Match the letters on the reproductive organ to its functionWhat type of gastrulation is depicted from the diagram below? (A) Blastopore Blastopore 4A 4D 4c 4b AB 4D 4a 4C ImR Invagination Involution Ingression Delamination Epiboly None of the choices ImL ImR 4D ImL Blastopore
- I. ILLUSTRATIONS A. Observe the frog ovary and take note of the following structures: theca interna, theca externa (10x), follicle cells, vitelline membrane, germinal vesicle, nucleolus, oocytes and oogonia (40x). Draw and label the above-mentioned parts.1. What is the significance of the formation of the blastocoel and blastoderm during blastulation?2. What physical processes initiates and accomplish the formation of the gastrula? please answer both questionsAnswer the following questions: 1. How are twins derived? 2. Describe a monozygotic and dizygotic twins. 3. Draw and label the parts of Gastrulation, Neurulation and the Migration of Neural Crest Cell