(a) Starting with a fertilized egg (zygote), a series of five cell divisions would produce an early embryo with how many cells?

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: Draw the diagram of transition to metaphase?

A: The metaphase is the stage in which all the chromosomes are captured by the spindle microtubules and…

Q: Which process involves the shaping of the embryo and cell migration?

A: Developmental biology is the branch of science that includes the studies of a diversity of…

Q: Explain why the embryonic period is so important.

A: The embryonic stage of gestation is that the amount once implantation, throughout that all of 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: In your own words: If cell division during gametogenesis were non-meiotic, what would be its…

A: The formation of gametes occurs by the process termed as gametogenesis. Different cell divisions…

Q: Explain the Human embryo at beginning of fifth week ?

A: The time between conception and birth of a baby is called the gestation period. A normal gestation…

Q: Why does a mouse embryo develop faster than a human embryo, for example?

A: The similarities between humans and mice permit the study of the development of humans and their…

Q: What are the stages of egg cell development in humans?

A: Oogenesis is the growth process of a primary egg cell into a mature ovum in the human female.  There…

Q: Why do mammalian eggs have a small concentration of yolk, while bird and reptile eggs have a large…

A: Eggs are divided into three types on the basis of the amount of cytoplasm present in them. They are…

Q: 2. Organs develop from a zygote as a direct result of the processes of 1) fertilization and meiosis…

A: Ans: Zygote: The egg cells are fertilized by sperm cells to form the zygote and is also referred to…

Q: There are 5 primary oocytes that will undergo cell division, How many functional egg cells will be…

A: The journey in short of an oocyte is as follows- the egg follicle is activated, the egg grows and…

Q: What is organogenesis, and why is this concept important to the process of development?

A: Question - What is organogenesis , and why is this concept important to the process of development ?…

Q: If mitotic and meiotic processes had never evolved, what would have been the consequences??

A: Generally cells of individual organisms divide or reproduce in two ways I.e Mitosis and meiosis.…

Q: Which cell is formed as a result of meiosis? O bone egg

A: Cell  can be defined as the basic structural, functional, and biological unit of all known…

Q: What is meant by the term “activation” in embryology?

A: Embryology is a branch of biology. It is the study of formation, growth as well as the development…

Q: How does a fertilized egg give rise to an organism with highly differentiated cells that are…

A: Developmental biology is the branch of science that includes the studies of a diversity of…

Q: Contrast the overall processes of mitosis and meiosis.?

A: Cell division is the process where the cell divide and form the daughter cells and there are two…

Q: Which of the following is NOT an example of cell migration as a part of cell differentiation?  A.…

A: Cell migration : In adults, cell migration occurs during vital cellular processes such as tissue…

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: Define embryo

A: The process of the formation of new organisms from the existing organisms is called reproduction. It…

Q: Describe how cell differentiation is controlled in vertebrates.

A: Introduction  Life starts from a single celled-stage termed as Zygote which develop from the fusion…

Q: what is the process which involves in the self-destruction of cells in the developing embryo as…

A: Ans: The process which involves the self destruction of cells in the developing embryo is very…

Q: Differentiate between human skin cell and human ovum.

A: Cell is a basic membrane-bound unit and it is often called as the basic building blocks of all…

Q: What type of cell division will occur after fertilization to create a baby from the fertilized egg?…

A: Fertilization is the summation of physicochemical events leading to the fusion of 2 sex cells i.e…

Q: Which mechanism prevents an ovum from being fertilized by multiple sperm cells? A. Once a sperm…

A: An egg should be prepared by only one sperm in particular. To forestall polyspermy, the zona…

Q: The egg travels from the ovaries to the uterus via the ?????

A: Female reproductive system consists of organs and glands which are involved in reproduction  Female…

Q: Is an embryo a life?

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

Q: How can one cell give rise to different types of cells

A: * As we seen our life begins with a single cell and it will leads to formation of organs and tissues…

Q: What term is most closely associated with the term "differentiation"?

A: Question -: What term is most closely associated with the term "differentiation " ? A). new growth…

Q: The expression of homeotic genes leads to a. the establishment of body axes. b. the formation of…

A: Homeotic genes are known to be the master regulator genes because they direct body structures or…

Q: Explain how Mitosis and Meiosis are similar and how they are different

A: Mitosis Mitosis is defined as a type of cell division in which one cell  divides to produce two new…

Q: How many are in each stage?

A: Hi! Thank you for the question. It seems some of the cells aren't properly visible. So, I am…

Q: What part of an infant’s body is said to stay in an immature state until needed to produce more…

A: Human stem cells are one-of-a-kind cells that have the ability to differentiate into a wide range of…

Q: How the fertilized egg of a multicellular organism becomes an adult?

A: The reproductive system(male and female) is a complex system with a number of interconnected…

Q: By looking at the picture above, describe the events that take place during fertilization up to the…

A: Fertilisation is q process of fusion of male and female games resulting in the formation of a…

Q: How can matter alone construct itself into the organized tissues of the embryo?

A: The embryo is the development stage in multicellular organisms. The development of the embryo begins…

Q: Which statement of the cell theory is connected to an understanding of meiosis?

A: Cell is basic structure which make up the human body , they have ability to survive on their own…

Q: After the eighth week of development an embryos is referred to as what?

A: After the 8th week of development, the embryo is referred to as "fetus"

Q: Differentiate between mitosis and meiosis. Explain the significance of meiosis.

A: Cell division that takes place in organisms are mitosis and meiosis. Meiosis is a reductional…

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: How would children look if humans would reproduce through mitosis instead of using meiosis? Would…

A: There are two types of cell division observed mitosis and meiosis, somatic cell division termed as…

Q: It appeared, then, that something in the region of the gray crescent was essential for proper…

A: The amphibian eggs, when divided into two blastomeres along the plane of first division, the cells…