Correct sequence of human embryonic development is

Correct sequence of human embryonic development is
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Answer :

Correct sequence of human embryonic development is A. Gastrocoel-Blastocoel-Neural Crest - ... . Blastocoel-Gastrucoel-Neural crest -Notochord.
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(i)Explain the events taking place at the time of fertilisation of an ovum in a human female. (ii)Trace the development of the zygote up to its implantation in the uterus. (iii)Name and draw a labelled sectional view of the embryonic stage that gets implanted. -Biology

Description : (i)Explain the events taking place at the time of fertilisation of an ovum in a human female. (ii)Trace the development of the zygote up to its implantation in the uterus. (iii)Name and draw a labelled sectional view of the embryonic stage that gets implanted. -Biology

Last Answer : (i)In humans, the fertilisation of ovum takes place in ampullary-isthmic junction of Fallopian tube. The events that occur during the process of fertilisation are: (a) The sperm reaches the ... endometrium of the uterus. This is called implantation.(iii) Blastocyst stage implants in the uterus.

Study the given figure below and answer the question that follow important-questions-for-class-12-biology-cbse-fertilisation-pregnancy-and-embryonic-development-t-33-3 (i)Name the stage of human embryo the figure represents. (ii)Identify Ain the figure and mention its function. (iii)Mention the fate of the inner cell mass after implantation in the uterus. (iv)Where are the stem cells located in this embryo? -Biology

Description : Study the given figure below and answer the question that follow important-questions-for-class-12-biology-cbse-fertilisation-pregnancy-and-embryonic-development-t-33-3 (i)Name the stage of human embryo the ... implantation in the uterus. (iv)Where are the stem cells located in this embryo? -Biology

Last Answer : (i)The stage is blastocyst. (ii) A—Trophoblast. It helps in attachment to endometrium during implantation and provides nourishment to developing embryo. (iii) Inner cell mass acts as precursor to embryo ... into ectoderm and endoderm. (iv) Stem cells are located in inner cell mass of embryo.

Which germ layer developes first during embryonic development?

Description : Which germ layer developes first during embryonic development?

Last Answer : Which germ layer developes first during embryonic development? A. Ectoderm B. Mesoderm C. Endoderm D. Both 1 and 3

During embryonic development , endoskeleton and muscle develop from which germinal layer :

Description : During embryonic development , endoskeleton and muscle develop from which germinal layer :

Last Answer : During embryonic development , endoskeleton and muscle develop from which germinal layer : A. Ectoderm B. Endoderm C. Mesoderm D. Blastopore

In which stage of development the embryonic cells form the germinal layers by the movement

Description : In which stage of development the embryonic cells form the germinal layers by the movement

Last Answer : In which stage of development the embryonic cells form the germinal layers by the movement A. Morula B. Blastula C. Gastrula D. Zygote

Three germ layers are formed during which stage of embryonic development :-

Description : Three germ layers are formed during which stage of embryonic development :-

Last Answer : Three germ layers are formed during which stage of embryonic development :- A. Morula B. Blastula C. Gastrula D. In any two stages

How are animals classified according to the germ layers present in their embryonic development ?

Description : How are animals classified according to the germ layers present in their embryonic development ?

Last Answer : Cnidarians are diploblastic, i.e., they present only endoderm and ectoderm. With the exception of poriferans, all remaining animals are triploblastic. Poriferans do not present differentiated tissue ... not classify regarding germ layers (although sometimes they are mentioned as diploblastic).

What are the four initial stages of the embryonic development ?

Description : What are the four initial stages of the embryonic development ?

Last Answer : The four initial stages of the embryonic development are the morula stage, the blastula stage, the gastrula stage, and the neurula stage.

What is the cell division during the first stage of the embryonic development called ?

Description : What is the cell division during the first stage of the embryonic development called ?

Last Answer : How is this stage characterized? The cell division in the first stage of the embryonic developments is called cleavage, or segmentation. In this stage, mitosis occurs from the zygote forming the new embryo.

What are the cells produced in the first stage of the embryonic development called ?

Description : What are the cells produced in the first stage of the embryonic development called ?

Last Answer : The cells that resulted from the cleavage (the first stage of the embryonic development) are called blastomeres. In this stage the embryo is called morula (similar to a “morus”, mulberry).

After the blastula stage what is the following stage of the embryonic development ?

Description : After the blastula stage what is the following stage of the embryonic development ?

Last Answer : How is the passage from blastula to the next stage called? The blastula turns into gastrula in a process known as gastrulation.

What is the chorioallantois membrane present in the embryonic development of reptiles and birds ?

Description : What is the chorioallantois membrane present in the embryonic development of reptiles and birds ?

Last Answer : How does this membrane participate in the energetic metabolism of the embryo? The chorioallantois membrane is formed by juxtaposition of some regions of the chorion and the allantois. Since it is ... of gases between the embryo and the exterior thus making aerobic cellular respiration possible.

How are animals classified according to the germ layers present in their embryonic development ?

Description : How are animals classified according to the germ layers present in their embryonic development ?

Last Answer : Cnidarians are diploblastic, i.e., they present only endoderm and ectoderm. With the exception of poriferans, all remaining animals are triploblastic. Poriferans do not present differentiated tissue ... not classify regarding germ layers (although sometimes they are mentioned as diploblastic).

After the blastula stage what is the following stage of the embryonic development ?

Description : After the blastula stage what is the following stage of the embryonic development ?

Last Answer : How is the passage from blastula to the next stage called? The blastula turns into gastrula in a process known as gastrulation. Image Diversity: gastrula

What are the cells produced in the first stage of the embryonic development called ?

Description : What are the cells produced in the first stage of the embryonic development called ?

Last Answer : The cells that resulted from the cleavage (the first stage of the embryonic development) are called blastomeres. In this stage the embryo is called morula (similar to a “morus”, mulberry). Image Diversity: morula

What is the cell division during the first stage of the embryonic development called ?

Description : What is the cell division during the first stage of the embryonic development called ?

Last Answer : How is this stage characterized? The cell division in the first stage of the embryonic developments is called cleavage, or segmentation. In this stage, mitosis occurs from the zygote forming the new embryo.

What are the four initial stages of the embryonic development ?

Description : What are the four initial stages of the embryonic development ?

Last Answer : The four initial stages of the embryonic development are the morula stage, the blastula stage, the gastrula stage, and the neurula stage.

Is the mammalian embryonic development direct or indirect?

Description : Is the mammalian embryonic development direct or indirect?

Last Answer : In mammals the embryonic development is direct, without larval stage.

Is the embryonic development in birds direct or indirect?

Description : Is the embryonic development in birds direct or indirect?

Last Answer : The embryonic development is direct, there is no larval stage.

How are the main classes of arthropods classified according to the presence of larval stage in their embryonic development?

Description : How are the main classes of arthropods classified according to the presence of larval stage in their embryonic development?

Last Answer : In crustaceans there are species with direct and others with indirect development. In insects there are species without larval stage (ametabolic insects), others undergoing indirect ... while holometabolic insects undergo complete metamorphosis. Phylum Arthropoda - Image Diversity: metamorphosis

Is the embryonic development in earthworms direct or indirect?

Description : Is the embryonic development in earthworms direct or indirect?

Last Answer : In earthworms there is no larval stage, so the embryonic development is direct.

With respect to lens development: a. the lens first appears at 27 days of gestation b. it is formed from neural crest cells c. the lens first appears as a vesicles with a single layer of epithelial cells d. Y suture is absent in the embryonic nucleus e. the adult lens is more spherical than the foetal

Description : With respect to lens development: a. the lens first appears at 27 days of gestation b. it is formed from neural crest cells c. the lens first appears as a vesicles with a single layer of ... d. Y suture is absent in the embryonic nucleus e. the adult lens is more spherical than the foetal

Last Answer : the lens first appears at 27 days of gestation

During embryonic development, the establishment of polarity along anterior/posterior, dorsal/ventral or medial/lateral axis is called (a) organiser phenomena (b) axis formation (c) anamorphosis (d) pattern formation.

Description : During embryonic development, the establishment of polarity along anterior/posterior, dorsal/ventral or medial/lateral axis is called (a) organiser phenomena (b) axis formation (c) anamorphosis (d) pattern formation.

Last Answer : (a) organiser phenomena

The process of series of changes from larva to adult after embryonic development is called (a) regeneration (b) growth (c) metamorphosis (d) ageing.

Description : The process of series of changes from larva to adult after embryonic development is called (a) regeneration (b) growth (c) metamorphosis (d) ageing.

Last Answer : (c) human males only

Which of the following features is not present in Periplaneta americana? (a) Exoskeleton composed of N-acetylglucosamine (b) Metamerically segmented body (c) Schizocoelom as body cavity (d) Indeterminate and radial cleavage during embryonic development

Description : Which of the following features is not present in Periplaneta americana? (a) Exoskeleton composed of N-acetylglucosamine (b) Metamerically segmented body (c) Schizocoelom as body cavity (d) Indeterminate and radial cleavage during embryonic development

Last Answer : (a) Exoskeleton composed of N-acetylglucosamine

Metagenesis refers to (a) occurrence of a drastic change in form during post-embryonic development (b) presence of a segmented body and parthe- nogenetic mode of reproduction (c) presence of different morphic forms (d) alternation of generation between asexual and sexual phases of an organism.

Description : Metagenesis refers to (a) occurrence of a drastic change in form during post-embryonic development (b) presence of a segmented body and parthe- nogenetic mode of reproduction (c) presence of different morphic forms (d) alternation of generation between asexual and sexual phases of an organism.

Last Answer : (d) alternation of generation between asexual and sexual phases of an organism.

Name the embryonic stage that gets implanted in the uterine wall of a human female. -Biology

Description : Name the embryonic stage that gets implanted in the uterine wall of a human female. -Biology

Last Answer : Blastocyst gets implanted in the uterine wall.

Which extra-embryonic membrane in human prvents desiccation of the embryo inside the uterus?

Description : Which extra-embryonic membrane in human prvents desiccation of the embryo inside the uterus?

Last Answer : Which extra-embryonic membrane in human prvents desiccation of the embryo inside the uterus? A. Yolk one B. Amnion C. Chorion D. Allantois.

Which extra-embryonic membrane in human prvents desiccation of the embryo inside the uterus?

Description : Which extra-embryonic membrane in human prvents desiccation of the embryo inside the uterus?

Last Answer : Which extra-embryonic membrane in human prvents desiccation of the embryo inside the uterus? A. Yolk sac B. Amnion C. Chorion D. Allantois

In human embryo the extra embryonic membrane are formed by :

Description : In human embryo the extra embryonic membrane are formed by :

Last Answer : In human embryo the extra embryonic membrane are formed by : A. Inner cell wall B. Trophoblast C. Formative cells D. Foillcless cells

What Human embryonic membranes?

Description : What Human embryonic membranes?

Last Answer : Feel Free to Answer

Which of the following is correct sequence in embryo development

Description : Which of the following is correct sequence in embryo development

Last Answer : Which of the following is correct sequence in embryo development A. Cleavage, gastrualtion ... , gastrulation D. Gastrulation,blastulation,cleavage.

Study the given figure which shows the development of root nodules in soyabean. Match the correct explanation and find the correct sequence for labell

Description : Study the given figure which shows the development of root nodules in soyabean. Match the correct explanation and find the correct sequence for labell

Last Answer : Study the given figure which shows the development of root nodules in soyabean. Match the ... Curling of root hair due to successful infection.

Correct sequence in development is :

Description : Correct sequence in development is :

Last Answer : Correct sequence in development is : A. Fertilization `to` Zygote `to` Cleavage `to` Morula `to ... `to` Morula `to` Blastula `to` Gastrula

Have we seen any benefit from embryonic stem cell research?

Description : Have we seen any benefit from embryonic stem cell research?

Last Answer : Here is the answer regarding legalities. http://stemcells.nih.gov/policy/Pages/Default.aspx It is well past my bedtime, so I’ll be back later for further discussion.

If you are against embryonic cell research for moral reasons, but we discover the cure for a disease you or your family member comes down with, will you use the treatment?

Description : If you are against embryonic cell research for moral reasons, but we discover the cure for a disease you or your family member comes down with, will you use the treatment?

Last Answer : I think people opposed to embryonic cell research are ignorant. I think that people who say “yes” to your question but continue to oppose the research in general are selfish, hypocritical, and clueless.

What's so wrong with embryonic stem cell research?

Description : What's so wrong with embryonic stem cell research?

Last Answer : Its evil.

What is the upper part of the embryonic root called ?

Description : What is the upper part of the embryonic root called ?

Last Answer : The upper part of the embryonic root is called the hypocotyl.

Does Vertibrata become embryonic notochord ?

Description : Does Vertibrata become embryonic notochord ?

Last Answer : Answer : In the vertebrate phase, the embryonic notochord turns into a nerve.

Which animal's body is made up of two embryonic cell layers ?

Description : Which animal's body is made up of two embryonic cell layers ?

Last Answer : Answer : The body of a hydra is made up of two embryonic cell layers.

What is embryonic layer ?

Description : What is embryonic layer ?

Last Answer : The embryonic layer is the cellular layer from which the tissues or organs are formed later.

What is embryonic level ?

Description : What is embryonic level ?

Last Answer : The layers in the gastrointestinal tract of the fetus are called embryonic layers.

How are embryonic stem cells different from other types of stem cell?

Description : How are embryonic stem cells different from other types of stem cell?

Last Answer : Need Answer

in which of the following the notochord is present in embryonic stage

Description : in which of the following the notochord is present in embryonic stage

Last Answer : in which of the following the notochord is present in embryonic stage A. All chordates B. Some chordates C. Vertebrates D. Non- chordates

Animlas which are triploblatic with tube- within - tube type of body plan and embryonic blastopore forms anus (deutterostomia ) are

Description : Animlas which are triploblatic with tube- within - tube type of body plan and embryonic blastopore forms anus (deutterostomia ) are

Last Answer : Animlas which are triploblatic with tube- within - tube type of body plan and embryonic ... Annelids B. Molluscs C. Platyhelminthes D. Echinoderms

Connective tissues are derived from embryonic

Description : Connective tissues are derived from embryonic

Last Answer : Connective tissues are derived from embryonic A. Ectoderm B. Endo-mesoderm C. Endoderm D. Mesoderm.

Identify the wrong statement with respect to embryonic stem cells

Description : Identify the wrong statement with respect to embryonic stem cells

Last Answer : Identify the wrong statement with respect to embryonic stem cells A. They are pluripotent B. They are ... can give rise to the three germinal layers.

Embryonic connective tissue is formed from

Description : Embryonic connective tissue is formed from

Last Answer : Embryonic connective tissue is formed from A. Ectoderm B. Endoderm C. Mesenchyma D. Mesogloes.

Gonads/testes develop from embryonic

Description : Gonads/testes develop from embryonic

Last Answer : Gonads/testes develop from embryonic A. Ectoderm B. Endoderm C. Mesoderm D. Both mesoderm and endoderm.

Allantois is embryonic membrane found in

Description : Allantois is embryonic membrane found in

Last Answer : Allantois is embryonic membrane found in A. Mammals B. Birds C. Reptiles D. Birds, mammals and reptiels.