When the embryo is implanted, what developmental stage this be? cleavage fetus blastula gastrula

Q: D А- -E B- C- OALL

A: Structural changes occurs in different stages of chick embryo.The 72 hour chick embryo shows the…

Q: What information can be obtained about the developing fetus through amnioc fetal infections I…

A: Amniocentesis is performed between sixteen and twenty weeks into the maternity. By around now, the…

Q: 48-hour Chick Embryo Transverse Sections

A: 48 hour is the stage in which position of embryo considering with respect to the yolk changes…

Q: During what process does the amnion envelop theembryo?a. embryonic foldingb. gastrulationc.…

A: The amnion refers to a membrane, which closely envelops the embryo when formed initially. It gets…

Q: The location of a cell during gastrulation plays a role in determining the cells fate in the…

A: The process of embryonic development during which the embryo having a single layer of cells called…

Q: (SEE IMAGE) Label them properly! 72-hour Chick Embryo Transverse Sections

A: Hi! Thanks for your question. As you have posted multiple images, according to our company…

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: Compare human and sea urchin development prior to and after the gastrula stage.

A: Gastrulation is, without a doubt, the most important evolutionary development in the animal kingdom.…

Q: Fill in the blank:  _________________ on the inner lining of the uterine tube aid in moving a…

A: Embryo genesis is the formation of embryo and for this process to occur, ovary releases an…

Q: Which process occurs between the zygote and the embryo stage

A: Fertilization is the process of fusion of the male gamete and the female gamete, resulting in…

Q: astrulation, are there any evidences of cephalization? Why or why not?

A: Gastrulation: During gastrulation, cell motions cause the embryo to reorganise massively,…

Q: Choose the best of the following The fusion of a sperm and an egg cell initally produces which of…

A: Process of reproduction in human beings is very complex and interesting. It includes various…

Q: The _______ is an important structure for waste storage in birds and some mammals, but not in…

A: Extraembryonic membranes are the layers enclosing the embryo inside the uterus. There are four…

Q: The bladder like structure in the amniotic egg

A: The allantois (plural allantoides or allantoises) is an empty sac-like design loaded up with clear…

Q: Name the only TWO germ layers that give rise to your feet

A: The germ layer is one of three primary cell layers that form during embryonic development.

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

A: Answer is b.)  gastrula.

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: postanal gut?

A: Introduction  Take out of digestive Cdx2 produces various results relying on the formative stage at…

Q: Before neurulation occurs, the cells that will later become neural crest cells are part of the…

A: Before neurulation occurs, the cells that will later become neural crest cells are part of the…

Q: Birds, reptiles and insects have something in common as far as the development of their embryos.…

A: Answer :- Birds, insects and reptiles are higher vertebrate . All of these are developed from…

Q: Approximately 3 days after fertilization , the following structure develops * O blastomere O morula…

A: The development of the human embryo originates by the fusion of egg and sperm(fertilization), which…

Q: _1. Chamber that houses the developing fetus 2. Canal that receives the penis during sexual…

A: Since you have asked multiple questions, we will answer only the first three questions for you. If…

Q: the box below. ovaries testes semina! vesicles cloaca ovarian tubes spermatheca oviducts ovarioles…

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

Q: What is "ecdysis"? O The outermost covering of an ovum that undergoes external fertilization. O A…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: In protostomes [Select] cleavage occurs and it is [ Select ] In addition, in protostomes th v […

A: Protostomes are groups of animals sharing common ancestors and have a true body cavity (coelom).…

Q: Which of the following best describes the cloaca in nonmammalian adult vertebrates? O It is a…

A: Vertebrata is a phylum in which the animals have a vertebrae or vertebral column to support the body…

Q: The hypoblast layer of the blastodisc is made of cuboidal cells and forms during the fetal period. O…

A: After 4 -6 days of fertilization, the morula reaching the uterus form blastocoel and transform into…

Q: Which of these produces blood cells and germ cells at the early stages of fetal development? O…

A: The yolk sac is responsible for producing blood cells and germ cells during the early stages of…

Q: Directions: Arange in correct order the development of human embryo from fertilization until birth.…

A: Introduction Human embryonic development:-  It is a complicated process by which the fertilized egg…

Q: Illustrate an egg in early cleavage, distinguish this stage from thise that follow (2,4,8 cell…

A: In developmental biology, several stages are there which determines the development of the fetus…

Q: Make a flowchart to show early embryonic development in humans. Start with the zygote

A: Life starts from a single cell called Zygote. A zygote is formed by the fusion of the male gamete…

Q: What is the third layer that forms as a result of gastrulation in some animals? mesoderm endoderm…

A: Gastrulation is the cycle during early stage advancement that changes the incipient organism from a…

Q: The embryonic membrane that is attached to the edge of the embryonic disk and surrounds the…

A: The placenta is an essential organ with different capacities, for example, endocrine, insusceptible,…

Q: Mark in which period the following events occur. Germinal Period Embryonic Period Fetal Period The…

A: Prenatal development is the development of the embryo and the fetus in the process of gestation. It…

Q: This is the outermost layer that protects from water loss but allows for gas exchange: amnion…

A: An embryo is present at an early stage of the development of a multicellular organism. The formation…

Q: Fill in the blank:  The descent of the testes is aided by a fibromuscular cord called the…

A: Reproductive system is involved in sexual reproduction. The male and female reproductive systems…

Q: likely to happen if there are any errors during thae gastrulation stage

A: Embryo development The embryo develops in 4 major stages which are, fertilisation cleavage…

Q: These structures (missing in human females) is present in female pigs because pigs give birth to…

A: Anatomy can be defined as a branch of biology that is associated with the study of the organism’s…

Q: An early stage embryo consisting of mutiple layers is a blastula O True False

A: In mammals, a blastula is an initial phase of embryonic development.

Q: Fill in the blank:  The inner mucosal lining of the uterus is called the _______________________.

A: The reproductive system of the female is made up of external structures and internal organs. The…

Q: Division of human egg is a) Holoblastic and equal b) Holoblastic and unequal c) Isoblastic d)…

A: Introduction - One of the largest cells in the human body is the human egg, or ovum. It is, however,…

Q: The folding of ectoderm on the top of the embryo during organogenesis produces...? Group of answer…

A: In humans, the folding of neuro-ectoderm gives rise to one of the most important structure i.e…

Q: The cell formed after fertisation is called:         I.   Foetus        II.   Zygote       III.…

A: Fertilization is the process of fusion of male and female gametes. It is one of the essential…

Q: Which of the following statements is true: O invagiantion is folding of cells that happens early in…

A: Blastocoel is a fluid filled cavity in blastula. First the morula(60 or more cells) is formed then…

Q: The outermost (most superficial) extra embryonic membrane is____ a ) Allantois b ) Amnion d )…

A: Extraembryonic membrane are the membrane which is formed around the growing embryo and is involved…

Q: Which of the following character is seen in female ? (a) Muscles arestrong…

A: Female is the sex gender in all higher animals which are hermaphrodite in reproduction. In human…

Q: Rat Testis at 40x under microscope   -Basement membrane / basal lamina (same thing) -Sertoli…

A: The diagram is labelled below.

Q: Development Label the following embryo development stages and cells: zygote; blas embryoblasts,…

A: Zygote When the ovum (egg) is fertilized by sperm it form zygote. The single cell zygote divides…

Q: e membrane

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