Question

After fertilization the blastocyst develops three germ layers. Which germ layer is the innermost layer?

Expert Solution

Want to see the full answer?

Check out a sample Q&A here
Blurred answer
Students who’ve seen this question also like:
Biology (MindTap Course List)
Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
Not helpful? See similar books
Biology (MindTap Course List)
Biology (MindTap Course List)
Animal Development. 8LO
marketing sidebar icon
Want to see this answer and more?
Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*
*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.

Related Biology Q&A

Find answers to questions asked by students like you.

Q: The inner cell mass of the blastocyst is destined to become the _____

A: Blastocyst refers to the composition exhibiting inner cell mass, which subsequently forms the…

Q: Despite the presence of So many sperms in the vicinity of an egg cell, only one sperm enters the…

A: Fertilization is a process in which male and female gametes fuse to form a zygote. This zygote…

Q: What are the three germ layers formed during gastrulation?

A: Developmental Biology is the field of biology that studies the processes by which multicellular…

Q: Which gene is responsible for the development of the gonads into testes?

A: Introduction Chromosomes are classified into two types: Autosomes and Allosomes/Sex chromosomes. The…

Q: What is the entire process of oogenisis?

A: Gametogenesis is a process through which male and female gametes (sperms and eggs) are formed in the…

Q: What is the entire process of oogenisis?

A: Oogenesis is the formation of a mature female gamete called ovum in the ovary. It is one of the…

Q: At what stage is the oocyte at the time of ovulation?

A: In the female reproductive life, the menstrual or ovarian cycle occurs approximately once in every…

Q: What type of cells surround the oocyte in a unilaminar follicle?

A: oocyte present in a unilaminar follicles. oocytes is an cell present in the ovary which form ovum…

Q: How does the embryo get nourishment inside the mother’s body?

A: Embryo means the developing offspring from the time of approximately 2nd to 8th weeks after the…

Q: The endometrium thickens during the uterine cycle, but disintegrates if the egg is not fertilized.…

A: Menstrual cycle is the cycle of changes in hormone levels and endometrial lining of female…

Q: How does a morula differ from a blastocyst?

A: Morula Vs Blastocyst:         Morula stay distinct from a blastocyst, in which a morula (3-4 days…

Q: what are the principal structures each germ layer gives rise to in the adult?

A: The zygote is a cell formed by the union sex cell of the male (sperm) and sex cell of the female…

Q: How long does it take for the embryo to implant into the uterine wall ?

A: The sperm of male fertilized the ovum of the female results in formation of the zygote. Sperm is…

Q: During which phase of the ovarian cycle is the ovum traveling down the oviduct?

A: The menstrual cycle is the standard characteristic change that happens in the female conceptive…

Q: Name the structure formed by the villi of the embryo and the uterus of the mother.

A: The uterus or womb is a major female hormone-responsive secondary sex organ of the reproductive…

Q: What is the main stimulus for the proliferative phase of the endometrium?

A: The changes during a menstrual cycle can be divided into three phases: i.) Proliferative phase ii.)…

Q: How many days after ovulation does implantation occur, and inwhat stage is the conceptus at that…

A: Implantation is the stage when the embryo adheres to the uterine wall after fertilization. Ovulation…

Q: Which genitourinary structures develop embryologically from the wolffian ductal system in males?

A: Introduction   In humans, Female has two X chromosomes while Male has one X and one Y chromosomes.…

Q: What are the functions of somites?

A: Answer- At the time of embryo development in humans the mesodermally originated somites are formed.

Q: What are the functions of somites?

A: To define  functions of somites

Q: Which structures develop from the neural tube and somites?

A: the structures that  develop from the neural tube and somites are :

Q: Endometrium function?

A: UTERUS It is a major female secondary sex organ of the reproductive system in humans and most other…

Q: . List the major steps in oogenesis.

A: The both male and the female sexual reproductive organs are important for the reproduction process.…

Q: List the steps in oogenesis.

A: The process of differentiation of the egg-cell which is a type of gametogenesis is known as…

Q: What are the functions of the INTERSTITIAL CELLS and SERTOLI CELLS in sperm development?

A: In males the testis is the primary sex organ in which two major types of cells are present that are…

Q: What are the functions of the interstitial cells and sertoli cells in sperm development?

A: Introduction  The two basic requirements of the organisms two sustain life are Food and…

Q: List two important functions of gonads.

A: The reproductive system of an organism is also known as the genital system. It is the biological…

Q: List the events of fertilization.

A: Introduction: Fertilization is an event in which the male gamete (sperm) fuses with the female…

Q: Which layer of the uterus is sloughed off, or shed, during menstruation?

A: Answer: Introduction: Menstruation is a woman's monthly cycle in which the inside layer of the…

Q: Which hormone is inhibited during pregnancy in order to prevent contractions of the uterus? Which…

A: Anatomical and physical changes evolve in various organ systems while during the stage of delivery…

Q: What happens to the other Graafian follicles that have matured but not ovulated during the cycle?

A: Oogenesis is defined as the process by which the female sex cells or ova or egg cells are produced.…

Q: What is the difference between colostrum and breast milk?

A: Both colostrum and breast milk are secreted by the mammary glands. The contents in the colostrum are…

Q: Outline the postfertilization events that lead to formation of a blastocyst.

A: Reproduction is the phenomenon of producing offspring from the parent. The reproduction can be…

Q: What are the major functions of Female Placenta?

A: The placenta is a large organ that develops during pregnancy. It is usually attached to the uterine…

Q: After ovulation, the mature follicles collapses, taking on a yellowish appearance to become the…

A: Ovulation means release of egg from ovary into fallopian tube. The released egg may or may not be…

Q: What is oogenesis? Give a brief account of oogenesis.

A: The female reproductive organs comprise primary sex organs (ovaries) as well as accessory sex…

Q: Compare and contrast the ovarian cycle phases and the uterinecycle phases. When do they occur? What…

A: The menstrual cycle or periods is the biological process of releasing, preparing, and breaking the…

Q: define organogenesis and indicate the important roles of the three primary germ layers in this…

A: Gastrulation is the process of early embryonic development where blastula transforms to form three…

Q: Where does fertilization usually take place?

A: The reproductive system consists of two system namely male reproductive system and female…

Q: What are the three phases of the menopause?

A: Menopause is that the transition period during a woman's life once her ovaries stop producing eggs,…

Q: When is the beginning and ending of the postnatalperiod?

A: Answer- Postnatal period is the time which begins just after the child is born. The mother observe…

Knowledge Booster
Biology
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.
Recommended textbooks for you
  • Biology (MindTap Course List)
    Biology
    ISBN:9781337392938
    Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
    Publisher:Cengage Learning
    Science Of Agriculture Biological Approach
    Biology
    ISBN:9780357229323
    Author:Herren
    Publisher:Cengage
    Essentials Of Human Development
    Biology
    ISBN:9781285647357
    Author:Kail
    Publisher:Cengage
  • Human Biology (MindTap Course List)
    Biology
    ISBN:9781305112100
    Author:Cecie Starr, Beverly McMillan
    Publisher:Cengage Learning
    Concepts of Biology
    Biology
    ISBN:9781938168116
    Author:Samantha Fowler, Rebecca Roush, James Wise
    Publisher:OpenStax College
    Human Physiology: From Cells to Systems (MindTap ...
    Biology
    ISBN:9781285866932
    Author:Lauralee Sherwood
    Publisher:Cengage Learning
  • Biology (MindTap Course List)
    Biology
    ISBN:9781337392938
    Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
    Publisher:Cengage Learning
    Science Of Agriculture Biological Approach
    Biology
    ISBN:9780357229323
    Author:Herren
    Publisher:Cengage
    Essentials Of Human Development
    Biology
    ISBN:9781285647357
    Author:Kail
    Publisher:Cengage
    Human Biology (MindTap Course List)
    Biology
    ISBN:9781305112100
    Author:Cecie Starr, Beverly McMillan
    Publisher:Cengage Learning
    Concepts of Biology
    Biology
    ISBN:9781938168116
    Author:Samantha Fowler, Rebecca Roush, James Wise
    Publisher:OpenStax College
    Human Physiology: From Cells to Systems (MindTap ...
    Biology
    ISBN:9781285866932
    Author:Lauralee Sherwood
    Publisher:Cengage Learning