Which of the following is the latest stage of embryonic development (of this list)? Group of answer choices  a. ) blastula b. ) morula c. ) zygote d. ) 8 cell stage E. ) gastrula

Q: Which molecules are released from the dorsal blastopore lip in the blastula-stage embryo?     a.…

A:

Q: Of the three polar bodies , one came from an unequal division of the ovum , but from where did the…

A: The process of the formation of the egg within the ovary is called oogenesis. This process is also…

Q: Describe the movement of cells during early development that change an embryo from a blastula to a…

A: To describe: The movement of cells during early development that changes an embryo from a blastula…

Q: At which stage of embryogenesis, major patterns of the internal tissues of the embryo have been…

A: Embryogenesis It is defined as a process which occurs after the process of fertilization of an…

Q: A woman gave birth to her baby at 26 weeks. Upon delivery, the doctor noticed that the baby showed…

A: Ans.1  Respiratory distress syndrome when there is not enough surfactant in the lung. Surfactant is…

Q: 1)Development is just another name for fertilization a)True b)False 4)A fertilized egg is the same…

A: Fertilization is a term used to denote the fusion of male gamete i.e. sperms/pollens with the female…

Q: Along the notochord, segmented blocks of tissue that give rise to muscles, vertebrae, and connective…

A: Answer is d.) somites.

Q: Meroblastic cleavage is typical of embryos formed from _______________ eggs. (a) moderately…

A: The egg is the vessel of the zygote, in which an embryo develops until it becomes mature enough to…

Q: The muscular system develops from which embryonic germ layer? a ) Ectoderm B ) Mesoderm D )…

A: The muscular system is the organ system that comprises of body's muscles. These muscles get attached…

Q: The inner cell mass of a human blastocysta. gives rise to the chorion.b. gives rise to the…

A: Cell is the basic unit of life. Based on the number of cells an organism may be prokaryotic or…

Q: For pattern formation to occur, the cells in the developing embryo must a. “know” their position…

A: The embryo formed after the fusion of the male and female gametes is the basis of the development of…

Q: Which of the following has three germ layers? (a) morula  (b) gastrula (c) blastula (d) blastocyst…

A: Answer is b.)  gastrula.

Q: Which of the following is develops into the archenteron? A. the placenta B. the endoderm C. the…

A: Placenta is an organ which helps in providing oxygen and nutrients to growing baby and removal of…

Q: Which of the following correctly identifies the stages in embryonic development between weeks 2 and…

A: Fertilization is a process in which haploid male gamete (sperm) fuses with the haploid female gamete…

Q: A full-term newborn has respiratory distress. Ultrasonography shows that the abdominal organs have…

A: The objective of the question is to identify the embryonic structure whose abnormal development…

Q: Nematocysts are  a.) reproductive cells b.)excretory organs c.) set of muscle cells d.)…

A: Answer  (e). Defensive cells

Q: The outermost germ layer in a vertebrate gastrula is the____ . a. endoderm c. mesoderm b. ectoderm…

A: BASIC INFORMATION  FERTILIZATION  It is the process of the fusion of the male as well as the female…

Q: The muscular system develops from which embryonic germ layer? a) Ectoderm B) Mesoderm D) Endoderm

A: The human muscular system is responsible for the movement of the human body. It is made up of over…

Q: In a reptile egg, the extraembryonic membrane thatencloses the embryo in a watery environment is…

A: Answer is b.) amnion.

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 cell contributes the necessary nutrition to the growing zygote? a a polar body b the egg…

A: Introduction: A zygote is a eukaryotic cell created when two gametes fertilise each other. The…

Q: In Deuterostomes, nutrient molecules (monomers) are taken in to the space between the endoderm and…

A: Option (a) is incorrect because, in Deuterostomes, nutrient molecules (monomers) are taken up into…

Q: At the end of the 3rd month (12th week) of intrauterine life one of the following is not yet…

A: Fertilization is the process by which the male gamete (sperm) fuses with the female gamete (egg)…

Q: 6. A male newborn has renal agenesis on the right. Which of the following primitive rudiments most…

A: Introduction:-  Renal agenesis is a rare condition in which one or both kidney are not present in…

Q: THE FATE OF THE 1ST OPENING IN THE PROTOSOMES AND THE 2ND OPENING IN THE DEUTEROSTOMES IS DETERMINED…

A: Introduction  During their embryonic development, animals belonging to the clade of protostomes…

Q: When does an embryo become a fetus? Select one: a. When gastrulation forms the three primary germ…

A: At the end of the 8th week after fertilization (10 weeks of pregnancy), the embryo is considered a…

Q: Label each tissue with the specific source germ cells: v Gastrointestinal tract A. Intermediate…

A: We are tripoblastic organisms that means we contains three types of germ layers that includes…

Q: 1. Match the early embryo characteristics with the correct stage of development. Not all choices…

A: Embryology is a branch of science which deals with the study of embryo development. Embryology helps…

Q: which germ layer (tissue) gives rice to our nervous system and outer coverings. a) endotherm b)…

A: The mesoderm, or middle tissue, gives rise to most of the muscle and connective tissues. Finally the…

Q: Which of the following extra-embyonic membranes become the embryonic portion of the structure…

A:

Q: In the development of amniotes (reptiles, birds, mammals), the defining feature of gastrulation…

A: Answer is : primitive streak The beginning of gastrulation is marked by the appearance of a groove…

Q: In humans, the development of fertilised egg takes place in the: (a) ovary (b) testis (c) oviduct…

A: Fertilization in humans refers to the fusion of human sperm and egg. This process occurs in the…

Q: Compare and contrast the structures of the zygote, morula, and blastocyst.

A: After the egg cell's fusion with a sperm cell (that is, after fertilization), the diploid cell is…

Q: 40. A 9-month-old boy is brought to the office for a follow-up examination. He has had six episodes…

A: Parathyroid gland is located at the back of the thyroid glands located in the neck region.…

Q: During embryonic development, unique cell layers develop into specific groups of tissues or organs…

A: The development of a plant or animal embryo is called embryogenesis. This process starts with the…

Q: All of the cell types of an adult vertebrate develop from three primary embryonic germ cell layers,…

A: The three germ layers: ectoderm, mesoderm, and endoderm give rise to various tissues. The ectoderm…

Q: If cells from the presumptive neural ectoderm of a frog gastrula are transplanted onto the surface…

A: The gastrula formation occurs during the early stage of cell development. During gastrulation the…

Q: Embryo above pictured here is a/an O A. blastula O B. gastrula O C. planula O D. zygote

A: Human embryonic development refers to the development of embryo. It involves the process of cell…

Q: The development of a zygote into a baby involves pre-embryonic development for the first 2 weeks,…

A: Introduction: Prenatal development occurs in three major phases. The first two weeks following…

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 of the following statements relating to axis formation in chickens is FALSE? a. Henson's node…

A: A) true- Henson's node secretes proteins that antagonize BMPs and that protein is named as…

Q: All of the following are true about humans EXCEPT: A. our zygote and early embryo cells have…

A: Introduction :- A zygote is a eukaryotic cell created when two gametes fertilise each other. The…

Q: The muscular system develops from which embryonic germ layer? a ) Ectoderm B ) Mesoderm D )…

A: An embryo forms from the zygote and a zygote develops from the fusion of male and female gametes.…

Q: Which of the following primary germ layers nervous tissue develops from? a ) yolk sac b) endoderm…

A: The life of a human being begins in the womb as an embryo and undergoes various developmental stages…