Answered: Gastrulation in a mammal would be most…

Gastrulation in a mammal would be most similar to gastrulation in a. a gecko. b. a tuna. c. an eagle. d. no other species; mammalian gastrulation is unique

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter38: Reproduction And Development

Section: Chapter Questions

Problem 12SA: ___________ removes webs between developing digits. a. Gastrulation c. Apoptosis b. Lactation d....

See similar textbooks

Related questions

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: If an egg cell were treated with EDTA, a chemical that bindscalcium and magnesium ions,(A) the…

A: EDTA - Ethelene diamine tetra acetic acid is a chelating agent and is very effective chelator of…

Q: Discuss the following terms in detail: 1.1 Fertilisation 1.2 Cleavage 1.3 Gastrulation 1.4…

A: Gametes are defined as the reproductive haploid cells of the organism where they consists of 23…

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: The presence or absence of testosterone determines whether a mammal will differentiate as a male or…

A: In, mammals, estrogen is a hormone which is required to sustain the pregnancy, in coordination with…

Q: The beginning of brain and spinal cord formation is termeda. cephalocaudal folding.b.…

A: Gastrulation process is characterized by formation of three primary germ layers, they are ectoderm,…

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: Investigate how the mass of the inert yolk affects reptiles, mammals and amphibians gastrulation

A: The development of multi-cell organic entities starts from a single celled zygote, which goes…

Q: All fish, all birds and all mammals are A animals with internal fertilization. B carnivores. C…

A: Classification of animals includes the following phyla:Phylum - PoriferaPhylum - CnidariaPhylum -…

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: The main function of the acrosome reaction is to (a) activate the egg (b) improve sperm motility (c)…

A: Answer is d.)facilitate the penetration of egg coverings by the sperm.

Q: Aquatic animals in which fertilisation occurs in water are said to be: (a) viviparous without…

A: Animals show two types of fertilization that includes external fertilization and internal…

Q: Which of the following is false? a. The endoderm, mesoderm, ectoderm are germ layers. b. The…

A: The fusion and amalgamation of the male spermatozoa with the ovum of the female are the…

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: Humans have three openings in an analogous place. Why is there a difference in the number of…

A: Hello! Since you have posted multiple questions we are answering only one question here as per the…

Q: Enumerate the types of morphogenetic movements employed by vertebrate embryos in gastrulation. Give…

A: Gastrulation is a process that takes place in the early developmental period. In this process a…

Q: In male mammals, excretory and reproductive systems share(A) the vas deferens.(B) the urethra.(C)…

A: The organ system is a group of organs that work together to perform a particular function. The organ…

Q: . In humans, identical twins are possible because(A) extraembryonic cells interact with the zygote…

A: The identical twins are also referred to as monozygotic twins. This occurs from the fertilization of…

Q: The archenteron develops into(A) the mesoderm.(B) the endoderm.(C) the placenta.(D) the lumen of the…

A: Gastrulation is the process of reorganization of the blastula, a hollow structure into a two or…

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: A A Mesoderm Ectoderm Endoderm In the above diagram, there is an opening that has appeared on the…

A: Developmental biology is the study of the process by which organisms grow and develop.

Q: A) The correct order of chronological order of developmental events is a. 1.cleavage 2.…

A: Since you have asked two questions, we would be answering only the first. Post the second question…

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: Muscles are formed by the Group of answer choices A. ectoderm B. mesoderm C. endoderm

A: Muscle is defined as a group or collection of muscle tissues that contract collectively to create…

Q: The cortical reaction of sea urchin eggs functionsdirectly in(A) the formation of a fertilization…

A: Sea urchins are the globular animals that belong to the class Echinoidea. They come under the…

Q: The diagram below represents one stage during the human reproductive process. Fetus A- A function of…

A: Implantation is the process by which the blastocyst or fertilized egg attaches to the uterine wall.…

Q: are the essential similarities and differences between the development of sperms and eggs in mammals

A: Both sperm and ovum are haploid having 'n' number of chromosome. Both undergoes mitosis as well as…

Q: Which of the following is a true statement?(A) All mammals have menstrual cycles.(B) The endometrial…

A: Reproductive system (or genital system) is used for the sexual reproduction. The female attains…

Q: During the evolution of animals , bilateral summetry accompanied cephalization . suggest a reason…

A: Evolution is the process by which an organism inherits or adapts favourable characteristics that…

Q: Fertilization: a) Briefly describe the process of fertilization in humans, b) identifying key…

A: Sexual reproduction is the process by which new young ones are produced, by fusion of the genetic…

Q: In the list of animals given below, hen is the odd one out.Human being, cow, dog, henThe reason for…

A: Reproduction is a process through which an organism produces organisms of similar kinds. It is of…

Q: n your own words: Expound how the mass of inert yolk influences gastrulation in amphibians,…

A: In evolutionary biology, evolutionary developmental biology is considered a new norm. It developed…

Q: Read the following statements and choose the option with only correct statements. (a) Tympanum…

A: Tympanum is the membrane which separate external ear and internal ear. When sound waves rreaches…

Q: Hermaphroditic animals can self-fertilize, except earthworms. Why? And is this an advantageous or…

A: Earthworms are bisexual, which means male and female regenerative organs are available in same body.…

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: Write a brief description of one cellular level event that could go wrong during the gastrulation…

A: Gastrulation stage of a zebrafish embryo. The outer dashed line represents the epidermis, while the…

Q: Which of the following statements is false? a. Cadherins, but not integrins play a role in…

A: Fertilization takes place when the nucleus of the sperm fuses with nucleus of the eff. A zygote is…

Q: Explain the way in which the yolk amount affects the cleavage. Compare the Cleavage in a sea star…

A: Yolk Yolk is a nutrient rich part of the egg which support the growth of developing embryo.

Q: Which statement relating to frog gastrulation is INCORRECT? a. A second set of bottle cells…

A: Embryonic development refers to the division in zygote and growth that ultimately goes through…

Q: In amphibian gastrulation, are there any evidences of cephalization? Why or why not? (mi

A: Gastrulation: During gastrulation, cell movements result in a massive reorganization of the embryo…

Q: Describe the step-by-step fertilization process in an amphibian.

A: Fertilization is the combination of haploid gametes, egg and sperm, to frame the diploid zygote.…

Q: Hermaphroditic animals can self-fertilize, except earthworms. Why? And is this an advantageous or…

A: Earthworms are invertebrate animals belonging to the phylum Annelida. the animals have tube-like…

Q: From which of the following is the embryo developed? a) Trophoblasts b) Blastocoelen c) The…

A: In humans the period of pregnancy is about 39-40 weeks. This is called as gestational period. During…

Q: A. What are the cell movements (ex. Epiboly, involution, etc.) involved in human gastrulation?…

A: Gastrulation is the stage in embryogenesis where three germ layers are formed.

Q: Expound how the mass of inert yolk influences gastrulation in amphibians, reptiles and mammals.

A: Answer All these animals belong to vertebrate and vertebrates, possess much more amount of yolk as…

Question

Gastrulation in a mammal would be most similar to gastrulation in

a. a gecko.

b. a tuna.

c. an eagle.

d. no other species; mammalian gastrulation is unique

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.

Similar questions

A gastrulation does NOT Select one: A. Consist of endoderm, mesoderm, and ectoderm B. Result in the formation of a third layer in the embryonic disc C. Involve the formnation of germ layers D. Include the differentiation of cells into tissues and organs
Which of the following organisms would NOT undergo gastrulation? a. fungi and sponges b. worms and snails c. nematodes d. those with only one opening for food and waste (protostomes)
What is NOT true about embryo development? A. a morula is an earlier stage than a gastrula B. Gatrulation creates endoderm and ectoderm in most animals C. Mammal blastulas are called blastocysts due to the thickened area where the embryo develops D. diploblastic animals have mesoderm
Which of the following statements about gastrulation is correct? A. During gastrulation, the contents of cell nuclei begin to vary so that they can start to perform different fucntions. B. During gastrulation, cells differentiate so that they can start to perform different functions. C. The formation of the endoderm, mesoderm, and ectoderm occurs after gastrulation. D. The formation of the endoderm, mesoderm, and ectoderm occurs before gastrulation.
Which statement relating to frog gastrulation is INCORRECT? a. A second set of bottle cells migrates inward to create the ventral blastopore lip. b. Gastrulation begins in the gray crescent where bottle cells invaginate. c. Cells just below the DBL begin to invaginate. d. The yolk plug is not internalized and will become part of the ectoderm.
Examine whether the statement "Because of the many later developmental transformations that produce the elaborately structured organs, the body plan set up during gastrulation bears little resemblance to the body plan in the adult is true or false.
The outermost germ layer in a vertebrate gastrula is the____ . a. endoderm c. mesoderm b. ectoderm d. dermis
Observation of the development of embryos in sea stars shows the mesoderm forming pouches bulging from the archenteron to form the coelom. From this observation, you can predict that A. the cleavage of the embryo is radial. B. the adult animal will have bilateral symmetry. C. the mouth forms from the first opening in the gastrula. D. the animal is diploblastic.
The zona pellucida is important in mammals because it... a. induces polyspermy. b. induces compaction. c. inhibits implantation of the embryo until the embryo reaches the uterus. d. inhibits the formation of twins.
During morphogenesis, gastrulation does which of the following?A. Gastrulation produces the ectoderm through formation of a blastocyst.B. Gastrulation produces the mesoderm to form the lining of the digestive tract.C. Gastrulation provides the mechanisms whereby cells can form the neural tube.D. Gastrulation produces the endoderm through invagination of the blastula.
A. What are the cell movements (ex. Epiboly, involution, etc.) involved in human gastrulation? Explain how each occurs B. Why do these vary among vertebrate groups?
Which of the following statements is false? a. Cadherins, but not integrins play a role in gastrulation. b. Gastrulation creates the primary germ layers c. Gastrulation requires cells to change their gene expression. d. Body axes are stabilized (made permanent) during gastrulation.