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

Q: What cells are found in each tissue type? X. Y.

A: Chondrocytes  is term used for cartilage cell , they are building block of the cartilage…

Q: What are morphogens, exactly? Explain how they affect the patterning of tissue throughout embryonic…

A: Pattern formation is a development process by which the cells acquired different identities…

Q: Please match the early developmental structure on the left with the human structure it develops into…

A: Fertilization is a process in which male and female gametes fuse with each other to form Zygote .…

Q: Match up the following components of the cortical blood-brain barrier with their developmental…

A: The blood-brain barrier is an important feature of the human central nervous system. It constitutes…

Q: by looking at the picture above, describe the events that take place during fertilization of an…

A: Stages of development: Fertilization · Embryonic development - Cleavage  Fetal - Differentiation…

Q: The first “milk” the mother produces is called ______________. After an egg is fertilised it is…

A: These questions are related to embryology and lactation. I will answer all three in next step along…

Q: Draw and label the parts of the late neurula embryos of Amphioxus/echinoderm, amphibian,…

A: Adenohypophysis Endostyle Notochord Nascent somite Neurenteric Canal Pronephric Kidney

Q: Which of the following statements about the number of chromosomes in egg cells and zygotes is true?…

A: Egg cells have 23, and zygotes have 46.

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: 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: It asks to use the development images below to identify one of each of the following in the photos:…

A: Fertilization is the process of formation of Diploid zygote from the male and female gamete 's…

Q: What would happen if one cell was removed or damaged at the 2-cell stage of sea urchin embryo…

A: Ans : Sea urchin is an organism that belongs to phylum Echinodermata and is mainly spherical in…

Q: Write in detail the process of organogenesis in vertebrates. Give one example and make diagram also.

A: In embryology, Organogenesis can be described as a series of processes that lead to converting the…

Q: Briefly discuss avian early embryonic development, starting with fertilization and oviposition,…

A: Introduction  The life starts from single cell called Zygote. A zygote is formed by the fusion of…

Q: Draw the amphibian and avian unfertilized eggs. Label membrane coverings and orientation of…

A: Unfertilized eggs are the eggs that have not been fertilized by sperm.

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: In insect embryonic development, the fertilized egg nucleus divides repeatedly giving rise to…

A: Embryonic development in insects The period of development of embryo starts at fertilization and at…

Q: Which of the following follows fertilization in Xenopus embryos? Calcium waves cause non-yolky…

A: Fertilization in xenopus embryos is  mainly complex multi-step process that completed in 24 hours.…

Q: Which stages of development listed below are solid (do NOT contain a hollow space)? Select all that…

A: The embryo is the early stage structure formed inside the female parent body during the process of…

Q: Which of the following is an INCORRECT statement?   Question 6 options:   a)  The early embryo of…

A: We all know that formation of gametes takes place during sexual reproduction.Through the…

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: What critical developmental process/es are altered following retinoic acid-exposure, which may cause…

A:

Q: What form of amplexus did you see with the Panamanian Golden frogs?

A: Amplexus  Amplexus is a type of mating behaviour in externally fertilizing animals.

Q: Why are blastomeres in the pigmented part of the egg smaller and more numerous than in the…

A: The other terms associated with developmental biology include embryogenesis or embryology. This…

Q: Gli3 and distal Hox gene expression Gradual reduction in distal Hoxd dosage Ноxd13 +/+ +/- +/+ +/-…

A: Hox genes specifies the identity of the limb region. It also sepcifies whether a particular…

Q: One day while walking across campus, you see a female butterfly laying fertilized eggs, as shown in…

A: On a leaf, the female butterfly deposits fertilised eggs, initiating a number of developmental…

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: Consider the variation in reproductive systems within the animal kingdom. These are discussed in the…

A: Refer to the solution

Q: Complete the following table with the organs/systems that arise from each of the germ layers Germ…

A: There are three embryonic germinal layers that covers the embryo. The outer layer is called…

Q: During the creation of eggs, only one egg will be viable, the other 3 eventually break down. What…

A: Oogenesis is divided into three stages, which are the Multiplication phase, growth phase, and…

Q: Briefly discuss the important events occurring during gastrulation and neurulation in avian…

A: Gastrulation is a process during embryo development where the zygote undergoes cleavage and forms 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: Make a table to identify amle and female homologues and describe it common function. Minimum of 7…

A: Gender homologues are analogous or equivalent structures in males and females which perform the same…

Q: What do you mean by trophoblast?

A: Trophoblast is layer of a particular type of cells. A cell is the basic structural and functional…

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: What are the correct pairings of developing and embryonic structures in the gastrulation of…

A: Note: Sorry, since you have posted multiple questions, as per the honor code we will be authoring…

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: A. Answer the following questions briefly (3-5 sentences only). 1. How are the three axes for…

A: Symmetry in biology refers to the balance and arrangement of body parts or features in an organism.…

Q: Name some derivatives of the neural What is the lamina terminalis

A: Q1. Neural Crest: Neural crest cells are a type of transitory cell that arises from the embryonic…

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: 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: Which of the following is the latest stage of embryonic development (of this list)? blastula morula…

A: The development begins after fertilization which involves formation of zygote. After this zygote…

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: Explain the following terms: ectoderm, endoderm, mesoderm and stem.

A: Animal phylogeny is a rapidly changing field. The biologists mostly depend on the fossils to compare…

Q: Pathway (in order) of the following in the frog: a. urine b. egg cells c. sperm cells

A: Introduction :- In sexual reproduction, sperm is the male reproductive cell, or gamete (forms in…

Q: Which of the following statements is true regardng neurulation? Selected Answer: Answers: The…

A: The notochord is a rod like structure that forms during embryonic development in most chordate…