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: Which of the following are derived from 'trophoblasts'? 1.  epiblast 2.  hypoblast 3.  amnion 4.…

A: After fertilization of the egg and ovum, they produce zygote that start developing by repetitive…

Q: BMPs are released from the ___________ blastula-stage embryo?     a. dorsal     b. ventral     c.…

A: BMPs (bone morphogenetic proteins) are a family of signaling molecules that play important roles in…

Q: an amniotic egg was crucial to the evolution of vertebrates because it provides the following to the…

A: The amniotic egg was the crucial evolutionary step that allowed the living organisms to breed…

Q: The mesoderm gives rise to   a. structures derived from epidermis, such as hair, feathers, nails,…

A: The process called gastrulation is the most characteristic event occurring during the third (3rd)…

Q: The seven-day blastocyst: A. has a single layer of trophoblast at the embryonic pole B. has an…

A: The correct option is C.

Q: Choose the best of the following The identity of each segment of a developing embryo is…

A: the embryo is the structure formed by the division of zygote. it is the embryo that develops into an…

Q: The major organizing center of the gastrulating embryo is the A. Inner cell mass B. Primitive streak…

A: Note:- Sticking to our guidelines I have answered only ist three questions. Please ask rest of the…

Q: The cells that give rise to gametesa. are derived from the mesoderm.b. often arise independently…

A: The term ‘reproduction’ is used for the process in which an offspring is produced from their…

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: which of the following a correct development sequence a. Neural plate, proliferation, neural…

A: The neural plate is a crucial developmental component that acts as the nervous system's foundation.…

Q: A chemical that prevents acrosomal proteins from interacting with proteins on the egg membrane would…

A: The binding of the sperm to the vitelline envelope of the egg is species-specific.

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: developing

A: Following the formation of blastula, the blastomeres undergo dramatic movements that change their…

Q: Answer the following questions about the Planaria: A. Answer True or False in the box provided:…

A: INTRODUCTION: Planaria is a free living type of flateworm of order Tricladida and phylum…

Q: The fusion of a sperm and an egg cell initally produces which of thefollowing?a. blastocyst d.…

A: There are 2 types of cell namely somatic cells and germ cells. Germ cells are aimed to produce…

Q: Internal and external fertilization differ in that species thata. produce an amniotic egg have…

A: The external fertilization process usually takes place in an aquatic environment where the male and…

Q: Which of the following rows correctly identifies the stage in development and the embryonic age most…

A: Gestational age refers to the period of baby growth in the womb till birth. The period starts from…

Q: Gastrulation in a mammal would be most similar to gastrulation in a. a gecko. b. a tuna. c. an…

A: Gastrulation is a process of rearranging the cells of blastula (blastomere) into three germ layers…

Q: Given these structures:(1) blastocyst (2) morula (3) zygoteChoose the arrangement that lists the…

A: Embryonic development is an intricate process where a large number of genes, proteins, enzymes, and…

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 process of gastrulation forms the _______. a. blastula b. zygote c. organs d. germ layers

A: Embryogenesis refers to a process in which the development of an embryo takes place. An embryo can…

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: 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: Embryo above pictured here is a/an

A: An embryo is the first stage of a cellular organism's development. Embryonic development is the…

Q: In humans, fertilization usually occurs in thea. fimbriae.b. vagina.c. uterus.d. uterine tubes.

A: Answer -Fertilization is the process by which both the gametes from two different parents fuse…

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: 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: Somites a. begin forming at the tail end of the embryo and then move forward in a wavelike…

A: Introduction: Somites can be defined as the longitudinal series among other series of blocklike…

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: Match each date in column B (approximate time after conception) with a developmental event or stage…

A: Reproduction is one of the most important functions of an organism in order to further its own kind…

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: The zona pellucida is important in mammals because it...

A: The zona pellucida is a thick extracellular layer that covers all mammalian eggs and preimplantation…

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: According to the film, "Your inner reptile," which of the following did we inherit from our…

A: The question is asking us to identify which traits we, as humans, have inherited from our reptilian…

Q: 1. Which of the following layers protect the mammalian oocyte during ovulation? * a. cortical and…

A: Structure of mammalian Oocyte:  mature mammalian Oocytes have many layers before ovulation- Follicle…

Q: omental genetics terms with their correct definition.

A: Developmental Biology : It is the study of the process by which animals and plants grow and develop.…

Q: Flagellum is a name for Answers A. the fringe-like folds move the egg down the fallopian tubes. B.…

A: Kidneys are the paired, bean-shaped organs that are located below the rib cage, one on either side…

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: 20. The structure that attaches the mammalian embryo to the placenta is a. hypothalamus. b.…

A: Reproduction is the process of producing young ones from the parent.

Q: Which of the following organisms would NOT undergo gastrulation? a. fungi and sponges b. worms and…

A: ANSWER Which of the following organisms would NOT undergo gastrulation? a. fungi and sponges