Which statement does NOT accurately describe somites?   series of tissue blocks   form the ribs and intercostal muscles   paired structures running along either side of the neural tube   derived from neural crest tissue on the ventral surface of the embryo

Q: What parts are persistent throughout the development of the embryo? Why are these present in all the…

A: Answer

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: Draw and label parts of whole mount specimens of the following stages: Primitive Streak       Head…

A: The development of the chick begins in the single cell formed by the union of two parental cells,…

Q: Three images of a TS19 embryo are shown a mid- sagittal section on the left and two external views…

A: In this particular images we have to describe how central nervous system formed and what is the role…

Q: what is the name of the structure where gastrulation begins in each animal below. Frog and fish has…

A: Gastrulation is the process of the formation of the child inside the womb, the complete development…

Q: Which embryonic germ layer lines the outer surface of the embryo

A: An embryo is the early stage of human development in which organs form critical body structures.

Q: Which of the following rows identifies the site of fertilization, and the hormone released when the…

A: The fusion of male and female gametes is known as fertilization.

Q: Stages in Development   First trimester Second trimester Third trimester Match the developmental…

A: The growth of the baby inside the womb of the mother takes place in three trimester.First trimester…

Q: hat parts are persistent throughout the development of the sea urchin embryo? Why are these present…

A: A multicellular animal arises from a single cell a fertilized egg. During development ,the cell…

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: Which of the following rows correctly identifies the development of the germ layers? Select one:…

A: The germ layers are an embryonic collection of cells that aid in the creation and development of…

Q: Which of the following statements is FALSE? a. VegT and Veg1 induce both dorsal and ventral…

A: Here, we have to select the incorrect statement regarding development.

Q: Enumerate the types of morphogenetic movements employed by vertebrate embryos in gastrulation. Give…

A: Gastrulation is a process that takes place in the early developmental period. In this process a…

Q: n the ventral surface of the embryo     series of tissue blocks lateral to the neural tube     a…

A: somures eventually differentiate into dermis, skeletal muscle, cartilage, tendons, and vertebrae.

Q: Draw a tissue map of the transverse section of the Lumbricus at x400 magnification from Moodle,…

A:

Q: Which of the following rows correctly identifies the development of the germ layers? Select one: a.…

A: We need to find which of the four options gives the development of germ cells. Endoderm- It is a…

Q: Explain the developmental and functional similarities and differences between:   1. Avian yolk…

A: Three fetal membranes are present in mammals; yolk sac, amnion, and allantois. Yolk sac and…

Q: Which of the following occurs to the blastocoel during Xenopus development?     is replaced by the…

A: Xenopus It refers to the genus of highly aquatic frogs that are mostly found in the regions of…

Q: O Occurs in protostomes and involves mesodermal tissue that is located in the space between the…

A: Ans- Occurs in protostomes and involves mesodermal tissue that is located in the space between the…

Q: Give the function/purpose of the following terms: germ layers ectoderm mesoderm

A: Introduction :  After implantation of the embryo into the uterus, the embryo differentiates into…

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: What is the purpose of the placenta? Which part of the blastocyst eventually becomes the fetal…

A: Introduction  An organ that grows in the uterus during pregnancy is the placenta. A developing…

Q: In identifying the marginal cells of the tunicate embryo, which of the following is the role of the…

A: The seas squirts are examples of tunicates which are a type of invertebrates found in Marine…

Q: Which tissue type or organ is correctly matched with its germ layer tissue? A) nervous–mesoderm B)…

A: Introduction :- The mesoderm is a germ layer that develops between the ectoderm, which produces skin…

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: 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: Which of the following is not true about neurulation? Choose all possible answers. a. Segregation…

A: The brain is a complex organ that controls the thought, memory, emotion, touch, motor skills,…

Q: IDENTIFICATION - Define what is asked (Subject - Developmentan Biology) 1. Development of…

A: Introduction: Specialized cells: These cells perform specialized functions in multicellular…

Q: Researchers searched for an activator of neural tissue formation. What is the real pathway for this…

A: In this question, from the given choices, we have to select the correct option for neural tissue…

Q: How is the yolk formed in terms of embryogenesis

A: Embryogenesis is the course of improvement of an undeveloped embryo from the zygote. In…

Q: Which choice below shows a correct order of events during development? Gastrula, blastula, neural…

A: Embryonal development consists of many stages and involves  Cellular division  Cellular…

Q: How many somites are there in mouse? In chicks? In humans

A: In embryology, a somite is among a series of longitudinal blocklike sections into which the…

Q: Describe the structure and functions of the four extraembryonic membranes? Compare and contrast the…

A: Hello, the question you have posted is quite lengthy. I am answering the first two parts of the…

Q: Compare and contrast the three types of mammals with respect to fetal development and birth: the…

A: Fetal development begins with implantation when the sperm fertilizes the egg. At this point, the…

Q: Write a brief description of one cellular level event that could go wrong during the gastrulation…

A: Gastrulation stage of a zebrafish embryo. The outer dashed line represents the epidermis, while the…

Q: For each embryonic tissue type, write one organ or differentiated cell type that is derived from…

A: Introduction:- The endoderm (inner layer), ectoderm (outer layer), and mesoderm (middle layer) are…

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: What do the inner and outer surfaces of the placenta consist of? a) amniotic tissue and corpus…

A: Placenta is a organ that connects the mother's uterus with baby's Umbilical cord.

Q: In the blanks below, identify the essential developmental process (NOT developmental stage)…

A: The every organism's embryo undergo the different developmental stages so that all the structures…

Q: Draw and label parts of whole mount of chick embrogenesis specimens of the following stages:…

A:

Q: Question #1 What is importance of pharyngeal pouches in development? Question #2 What duct empty…

A: Bile is a type of fluid that is made and released by the liver. Bile is stored in the gallbladder.

Q: -4. In the diagram below, the stages of development in a frog embryo are NOT arranged in the correct…

A: Gastrulation is the process where the blastomere cells undergo dramatic movements that leads to…

Q: Trace the pathway of the ova of the female frog from the place of production up to the place of…

A: Introduction:- The ovaries produce the female egg cells, called the ova or oocytes. The oocytes are…

Q: Which of the following rows correctly identifies a difference between blastocysts and morula? Select…

A: In fertilized egg, the egg undergoes repeated cell division which occurs rapidly to form a…

Q: Which of the following statements is NOT correct about the umbilical cord?   a. The umbilical cord…

A: There are 4 extraembryonic membranes that support the growing embryo namely the Yolk sac, Allantois,…

Q: e membrane

A: answer 1 ) Layer 1: The tympanic film is the grown-up structure that outcomes from the primary…

Q: To what extent has mesoderm migrated in the blastoderm of the 24 hour chick embryo

A: After twenty-one days of incubation, a chick emerges from a fertile egg. On the surface of the yolk,…