Q: Which is a triploid tissue? How is the condition achieved in a fertilized ovule?
A: Anther produces pollen grains which lands on the stigma of the pistil with the help of biotic 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: How many days does it normally take from the fertilisation of the egg up to birth of the baby?
A: The normal human gestation period is from thirty-seven weeks to forty-two weeks or 259 days to 293…
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: What is the thick connective tissue layer that surrounds the parenchyma of the ovary called?
A: Ovary is the female reproductive organ.It has distinctively two regions: cortex which contains…
Q: Describe the three primary germ layers. Describe what body tissues will be derived from each layer.
A: During embryonic development, the initial zygote undergoes cleavage to form a morula and then a…
Q: Name the only TWO germ layers that give rise to your feet
A: The germ layer is one of three primary cell layers that form during embryonic development.
Q: Where are egg cells produced in a woman’s reproductive system? ____ Where does fertilization…
A: The biological system of an organism's reproductive system, also known as the genital system, is…
Q: What do you think would happen if multiple sperm fused with one egg?
A: A pregnancy begins with preparation when a lady's egg gets together with a man's sperm. Preparation…
Q: What do mean by colostrum? Why it is benifical for a new born baby?
A: Glands are important organs located throughout the body. Exocrine and endocrine glands are the two…
Q: Why should the sperm shrink into an elongated cell with a tail while the egg grows enormously?
A: Introduction :- Most animals generate sperm, also known as spermatozoon or spermatozoa, a male…
Q: What fertilized egg; enters 2 week period of rapid cell division?
A: Male and female gametes are called sperm and egg cells, respectively. For reproduction to occur, a…
Q: What is ovum?
A: The fusion of the sperm and the egg is what brings about the formation of the zygote, which will…
Q: What happenes if fertilization doesnot takes place in utreus?
A: Humans, as mammals, have the capability to reproduce sexually. Sexual reproduction requires the…
Q: Is there a exchange of cells between the mother and the fetus through the placenta?
A: We have to explain whether there is an exchange of cells taking place through placenta.
Q: How does oogenesis produce egg cells?
A: Oogenesis is a type of gametogenesis that results in the production of female gametes, also called…
Q: Where does the formation of germ cells and sperm takes place?
A: Developmental biology is that the branch of biology that deals with the study the processes by that…
Q: What are the different parts of a sperm? Explain their importance in fertilization.
A: Reproduction is an essential process in the sustenance of organisms. The male and female gametes…
Q: what term describes the narrow end of the uterus?
A: The uterus is a hollow muscular organ located in the female pelvis between the bladder and rectum.
Q: A female egg cell has two outer membranes how does the egg cell prevent polyspermy? if polyspermy…
A: Sexual reproduction refers to the form of reproduction that occurs through the union of male and…
Q: What are germ line cells?
A: A cell is the basic smallest structural and functional unit of life. Living organisms made up of one…
Q: Draw the diagram of male thallus and female thallus and differntiate them?
A: The thallus is the vegetative a part of the body which will not differentiate into roots, stem, and…
Q: Which cells are harvested from the early embryo for stem cell research? O enucleated cells umbilical…
A: 23 Answer is all blastocyst cells
Q: Which primary germ layer (endoderm, mesoderm, & ectoderm) did each tissue description derived from?…
A: Gastrulation is a process included in embryogenesis. The cells of blastula arrange themselves in…
Q: _1. Chamber that houses the developing fetus 2. Canal that receives the penis during sexual…
A: Since you have asked multiple questions, we will answer only the first three questions for you. If…
Q: Explain the Embryonic Germ Layers ?
A: The layers of cells produced during the early phase of embryo development which gives rise to the…
Q: What the motile germ cell is called?
A: Gametogenesis is a process through which male and female gametes or germ cells (sperms and eggs) are…
Q: How many eggs are released by a human ovary in a month? How manyeggs do you think would have been…
A: The ovary is an organ present in the female reproductive system that produces an ovum (egg cell).…
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: How does the fertilized egg give rise to the adult body?
A: Introduction Life starts from single cell called Zygote. Zygote is the single diploid cell resulted…
Q: What is embryological development?
A: Embryo is defined as the early developmental stage of an animal. It is an embryo while it is in the…
Q: What is the process in which the germ tissue layers form?
A: Germ layers are the three primary cell layers, formed in the earliest stages of embryonic…
Q: What happens to the second sperm nucleus, the one that does not fertilize the egg cell? What is the…
A: Sexual reproduction is a fusion of male and female gametes to produce offspring from the zygote.…
Q: Explain how the different germ layers give rise to different tissue types.
A: The three different germ layers are formed by the process of gastrulation in early embryo. It is the…
Q: What is gonads?
A: Human reproduction is the union of male and female gametes generated in the reproductive system.…
Q: What are germ cells?
A: In humans, mainly 2 types of cells are present; germ cells and somatic cells.
Q: What is external fertilisation?
A: Fertilization is the process by which male and female gametes are fused together, initiating the…
Q: How does the sperm reach upto egg and how does it enter into the egg?
A: Fertilization is the process in which a sperm and egg are fused together in the uterine tube of the…
Q: What tissues and organs arise from the three germ layers in embryonic development?
A: In developmental biology, various stages are involved for the development of a foetus. Gastrulation…
Q: What are interstitial cells or Leydig cells?
A: The testicle is also called as testis. It is a male reproductive gland or gonad in all animals,…
Q: What is the time period for which sperm and egg are viable?
A: The mixed glands that serve the function of gamete production in the male reproductive system and…
Q: What is ripened ovary known as?
A: Plants are mainly multicellular organism, predominantly photosynthetic eukaryotes of the kingdom…
Q: What is Fertilization?
A: The expansion in size and changes in shape of a creating life form rely upon the increment in the…
Q: Which sequence details the maturation of an oocyte and the process of ovulation? 1. Graafian…
A: The process of follicle and oocyte maturation occurs simultaneously in the ovary of females. The…
Q: atch the germ layer on the right with its contribution to the tissues and organs of the embryo, on…
A: Endoderm, ectoderm, and mesoderm are the three germ layer types. Tissues and embryonic organs…
What tissue came from all 3 germ layers?
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- which germ layer (tissue) gives rice to our nervous system and outer coverings. a) endotherm b) ectoderm c) mesoderm d) endodermWhy are the ectoderm and endoderm called the “germ” layer?Which primary germ layer gave rise to the cells that eventually became the central nervous system? a. endoderm b. ectoderm c. acrosome d. mesoderm