Fill in the blank:  The hollow ball of cells formed early in development is called a(an) ___________________.

Q: Fill in the blank:  _________________ is the phase of development during which cellular divisions…

A: The multicellular organisms develop from an early stage called an embryo. Embryonic development…

Q: If an embryo splits at the two-cell stage, each of the resulting identical twins will have its own…

A: Identical twins:  The splitting up of the embryos into two at the two-cell stage leads to the…

Q: List and briefly describe the four stages that are thoughtto have led to the formation of the first…

A: The origin of cells was the very first stage in the evolutionary theory of life on Earth. The cell…

Q: Prevents implantation of an embryo.

A: IntraUterine Devices prevents implantation of an embryo. It hinders implantation.

Q: Construct a Table to show the differentiation of the Germ Layers: ( It is a known fact…

A: Introduction The process of forming and developing an embryo from a zygote or a somatic cell is…

Q: true or false Different cell types develop in a multicellular organism because each cell has its own…

A: Multi cellular organisms are organisms that are made up of more than one cell. This is in contrast…

Q: -3. The figure below shows cleavage stages in an embryo. From studying the photographs, what can you…

A: On fertilization, the zygote undergoes cleavage. That is the process of development of multicellular…

Q: Describe the process of Embryogenesis. Briefly and concise.

A: Embryogenesis is the course of initiation & advancement of an embryo from a zygote (zygotic…

Q: removing a sperm nucleus and injecting it into the egg, could this procedure ever produce viable…

A: Yes, it may fuse with the egg because due to non motility sperm can not able to reach to the…

Q: Question 11 Which is TRUE for embryonic development of prc O Lacking three germ layers O…

A: A protostome could be a cluster of animals that has invertebrates like arthropods (insectsand…

Q: Describe what happens during the first days of embryonic development from the first cell division…

A: Human embryo development occurs through cell division and the differentiation of cells. Human embryo…

Q: Fill in the blank:  A primary oocyte is closely surrounded by flattened epithelial cells called…

A: Sexual reproduction is the main process in various microscopic organisms. The primary process in…

Q: Cleavage is a unique type of cell division that occurs ____

A: Cleavage is a cell division and by this process a number of cells produced, known as blastomeres.

Q: Fill in the blank:  After the eighth week, a developing human is called a(an) ___________________…

A: On the very first day of your last menstrual period Initially the stage comes when the start of the…

Q: Which evidence can use to support embryologic.

A: According to the question, we have to explain which evidence we can use to support embryologic. So,…

Q: a separate sheet of paper. 3 MONTHS MONTHS MONTHS MONTHS 6 MONTHS 5 MONTHS PROCESS: FETAL…

A: Humans are sexually reproducing and Vviparous. The reproductive events in humans inciude formation…

Q: In adults, new connective tissue cells originate from the Ectoderm Mesenchyme Endoderm Mesoderm

A: In the embryonic stage, the three primary cell layers are formed that give rise to various tissues…

Q: In 2 paragraphs, explain how and why well-controlled maternal immune responses play a positive…

A: Well-controlled maternal immune responses play a positive physiological role in fetal immune and…

Q: EGG SPERM EMBRYO Growth and development Continuity of life

A: Life processes such as growth and reproduction are shared by all living creatures. To establish if…

Q: In this picture which letter represents the chorion? Embryo D Mother's blood vessels G OE O o o

A: The chorion is the outer membrane surrounding the developing embryo in amniotes. It originates from…

Q: Poor embryonic development occurs because ____________________________.

A: After fertilization, a single celled diploid zygote is formed, which later develops into…

Q: Embryonic stem cells come from

A: Answer: EMBRYONIC STEM CELLS are the pluripotent cell lines , these cells are characterized by their…

Q: Explain two things that the reproductive system must do to create and maintain a healthy pregnancy.…

A: The female reproductive system Ovaries make eggs and hormones like estrogen and progesterone. This…

Q: Which type(s) of embryological testing would you perform in order to determine the level of…

A: The process of formation of an embryo with the uterus is known as embryogenesis. It is a complex…

Q: In 2 paragraphs, explain why early childhood is an important stage in human growth

A: Early childhood development serves as a building block for overall development of a child. Early…

Q: What is the difference between: Benign and malignant tumors.

A: Tumor refers to the mass of tissue formed due to abnormal growth of cells. They are classified into…

Q: The embryonic stage is completed by the end of the ___________________ week of development.

A: Embryonic development or embryogenesis is the mechanism or process by which an embryo. forms and…

Q: What is one of the ethical issues related to using embryonic stem cells? O A. Embryonic cells are…

A: Embryonic stem cells (ESCs) are collected from early-stage embryos i.e a group of cells that produce…

Q: All essential external and internal body parts are formed during the ___________________ stage of…

A: A sound first trimester is essential to the typical improvement of the baby. The mother-to-be may…

Q: In the development of a "three-parent baby", the third parent donates which of the following?…

A: Here, first and second parent donates egg and sperm and contribute to the genetic makeup of the baby…

Q: essay about adoption

A: Adoption was first introduced in 1850s in United States. Adoption in simple words means taking over.…

Q: Describe the similarities and the differences between oogenesis and spermatogenesis. Provide enough…

A: Oogenesis and spermatogenesis are the process of formation of male and female gametes. The…

Q: A substance or an agent in the environment that increases the chance of genetic alteration and…

A: Answer Malignant tumor

Q: Match the tissue to the germ layer it develops from. Question   Epithelium…

A: The three germ layers are particularly seen in vertebrates during the embryonic development.…

Q: first and second division after the egg is ferlilized is mitosis or meiosis.

A: Fertilized egg is called zygote it undergo first cell division mitosis and develops as embryo…

Q: Stem cells are considered pluripotent - instead of totipotent because they cannot become part of the…

A: The explanation for the choice of the question has been described in the following step,

Q: why are the immature cells important

A: In biology, we believe that cells are the basic building blocks of the life. They are the smallest…

Q: What stage of development is the mucosa of the uterus on a microscopic slide of the uterus

A: The endometrium is remodelled throughout the menstrual cycle, and exhibits only a short period of…

Q: A pregnant woman visits a doctor to determine the sex of her child. The doctor refused to perform…

A: Sex determination is a biological process that determines the sexual characteristics development in…

Q: Fill in the blank: The embryonic stage is completed by the end of the ___________________ week of…

A: Introduction: The embryonic stage is the period of human development in the uterus of mother. It is…

Q: To study the genetic makeup of an unborn child ____________ is the procedure to obtain amnio fluids.

A: Amniotic fluid  Amniotic fluid is surround the developing embryo and act as cushion for growing…

Q: The order in which the physiological stages occur during embryonic development is and

A: The fusion of haploid male gamete(sperm) and female gamete(egg/ovum) to form diploid zygotes is…

Q: Describe the stages an egg goes through from fertilization to the birth of a baby.

A: Introduction  Fertilization is defined as the joining of two haploid gametes, the spermatozoa and…

Q: Cell Cycle. Use the topic and relate the topic for initiation progression and invasion-metastasis of…

A: The ongoing evolution of cancer biology studies, as well as the introduction of new perspectives in…

Q: what kind of division can perform normal growth and development for the embryo & why

A: The embryonic development process initiates after the fusion of male and female gametes. It involves…

Q: Drag and drop the answer that correctly completes the sentence. is the monthly series of changes a…

A: Biological rhythms are defined as the natural cycle of change or alteration occurring in our body's…

Q: develop(s) from the ectoderm while ii above is completed by the information in row: develop(s) from…

A: The humans are triploblastic organism that contain three germ layers that includes- ectoderm,…