How many are in each stage?

Q: What are the two types of embryonic folding?

A: In embryonic folding, the flat trilaminar disk turns into a lot of round shape embryos due to the…

Q: What is the first major event that occurs during organogenesis?

A: Organogenesis is the formation and development of organs from embryonic cells or germ layers.  It…

Q: What is the  kinetochore and What is the function of kinetochore?

A: Kinetochore is a disc-shaped protein that assembles on the centromere to link the chromosomes to…

Q: What is the first cell of a new individual called?

A:

Q: Which sex normally contributes the mitochondrial genes to the offspring?

A: mtDNA (mitochondrial DNA) is found in the mitochondria, cellular organelles inside the eukaryotic…

Q: which animal has 92 chromosomes?

A: Chromosomes are defined as the thread-like structures present in the nucleus of organisms. Nucleic…

Q: What are Embryonic stem cells are used for?

A: ESCs (Embryonic Stem cells) or Human embryonic stem cells are used pluripotent cells which have the…

Q: How is it that some chromosomal abnormalities are incompatible with life as early as immediately…

A: Chromosomal abnormalities are one of the reasons of miscarriage and stillbirth and spontaneous…

Q: What happens during telophase?

A: Mitosis is a type of cell division, during which one cell gives rise to two genetically identical…

Q: : What is the difference between the G0 and G1 phases?

A: Interphase is the interval between two successive cellular divisions especially in eukaryotic cells…

Q: What is the cell divisionduring the first stage of theembryonic developmentcalled? How is this…

A: The process by which a parent cell divides into two identical daughter cells, is called Cell…

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 the risk of chromosomal abnormality in a child change with themother’s age?

A: Chromosomal anomaly, abnormality or aberration refers to the abnormality in the structure and number…

Q: How does senescence occur?

A: In biology, senescence could be a method by that a cell ages and Completely stops dividing however…

Q: What is developmental mechanism?

A: In biology, a mechanism is a system of causally interrelated elements and processes that result in…

Q: How is cell death a normal part of development?

A: Answer: Introduction: Cell death is necessary for the normal development of eukaryotic organisms and…

Q: What are embryonic stem (ES) cells ?

A: Stem cells are cells that are undifferentiated or "blank." This ensures they have the potential to…

Q: How is Down syndrome caused?

A: Human genetic disorders are caused due to the absence or excess or abnormal arrangement of one or…

Q: Under what conditions would a lag phase not occur?

A: The division of bacterial parent cells into two cells through the process of binary fission is known…

Q: Describe the process of embryonic induction, and provide anexample

A: Induction in biology means inducing a process or causing a process to occur.

Q: What is meant by segmentation?

A: R.H. Whitakaer’s classification system categorizes living organisms in five major kingdoms. Kingdom…

Q: What  similarities  do  the  illustrations  have?  What are the differences?  What trends do you see…

A: Comparing different embryonic stages of different animals is a tool that can be used to infer…

Q: Where are Kinetochores located?

A: Genetics is the branch of biology which deals with genes, heredity, and genome in the organism.…

Q: Define the term generation. What is meant by the termgeneration time?

A: Cell division is the process of division of cell into daughter cell. Generally cell divides by the…

Q: How to reduce chromosomal abnormalities?

A: Chromosomal abnormalities can be structural or numerical. A structural chromosomal abnormality means…

Q: What happens if that individual fails to reproduce ?

A: Reproduction is how living beings survive. Life ceases if reproduction fails. Male and female mate…

Q: Poor embryonic development occurs because ____________________________.

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

Q: What are intermediate categories?

A: Taxonomy or systematics is a branch of biology in which the organisms are classified into categories…

Q: what is the "S" phase?

A: Cell-division cycle or cell cycle is defined as a sequence of events occurring in a cell, which…

Q: hat's an embryo?

A: In the sexual reproduction, animals bears two types of gametes. One is the female gamete known as…

Q: What is endometriosis and what causes it?

A: The female reproductive system consists of the ovary, oviduct, uterus, cervix and the vagina. The…

Q: What is developmental biology?

A: Introduction Biology is the study of life as a science. It is a broad-ranging natural science with…

Q: What happens during embryogenesis?

A: After the process of fertilization, the process of zygote development starts to form an embryo and…

Q: What Is maturation?

A: Living organisms include a variety of organisms from microscopic creatures like bacteria and…

Q: How are genes turned on and off in embryological development?

A: One way cells regulate their genes is by DNA methylation, in which a molecule known as a methyl…

Q: what are  chromosomal abnormalities??

A: Deoxyribonucleic acid (DNA) is a molecule composed of two polynucleotide chains. It coils around…

Q: differentiate anaphase I vs. anaphase II

A: The cell cycle/ cell division is the series of events that take place in a cell leading to its…

Q: What are small differences among individuals called?

A: The study of genes is known as genetics. All individuals has their own gene which is responsible for…

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: How many different classes of offspring (events) are present?

A: Genetics is the branch of biology that deals with the study of genome of an organism and its gene…

Q: What is indirect development?

A: Development involves the functional and physiological maturation of an individual. It is a…

Q: What is chromosome number of egg?

A: Haploid describes a cell containing a single set of chromosomes present in the cell.  The term…

Q: How many egg nuclei will be obtained from 200 megaspore mother cells?

A: Introduction A megaspore mother cell, also known as a megasporocyte, is a diploid cell in plants…

Q: What does Germline DNA refers to?

A: Deoxyribonucleic acid (DNA) is the genetic material that carries information from one generation to…

Q: Why do differentiating cells increasingly lose their developmental potential?

A: Cell is the smallest structural and, functional unit of life. It is simple machinery that houses all…

Q: What factors increase the V02?

A: VO2: VO2 is the measure or is an index of a body's efficiency during work. The index is calculated…